7-8) Rica Has 3 Pieces Of Lace Each Measuring 27 Meter, 5/14 Meter, 37…

7-8) Rica has 3 pieces of lace each measuring 27 meter, 5/14 meter, 37. How long are the pieces of lace together?
of lace while Lovie has 317 meter longer than May’s lace. How many meters of lace do girls​

Answer:

The three pieces of lace are \begin{aligned}\frac{13}{14}\end{aligned}

14

13

meters.

Step-by-step explanation:

There are different sizes of lace. In fact, there are three sizes. The problem is asking us to combine all the sizes, thus, we are to add the measurements to find how long the pieces of lace together.

The measurements are in fraction form. There are different types of fractions and there are different techniques in adding them.

Different Types of Fractions

Similar Fractions

Dissimilar Fractions

Improper Fractions

Proper Fractions

Mixed Numbers

Similar fractions are fractions that have the same denominator.

Dissimilar fractions are the opposite of similar fractions. These are fractions that don’t have the same denominator.

Improper fractions are fractions whose numerator is bigger than its denominator.

Proper fractions are the opposite of improper fractions. These are fractions whose numerator is less than the denominator.

Mixed numbers are a whole number and a fraction put together.

Solution

We can add the two fractions, \begin{aligned}\frac{1}{7}\end{aligned}

7

1

and \begin{aligned}\frac{3}{7}\end{aligned}

7

3

, since there are similar fractions. To add them, simply copy the denominator, then add the numerators.j

\begin{aligned}\frac{1}{7}+\frac{3}{7}&=\frac{1+3}{7}=\frac{4}{7}\end{aligned}

7

1

+

7

3

=

7

1+3

=

7

4

We will then add the result to \begin{aligned}\frac{5}{14}\end{aligned}

14

5

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.

\begin{aligned}\frac{5}{14}+\frac{4}{7}\end{aligned}

14

5

+

7

4

Since the fractions are dissimilar, we need to find the least common denominator first before we can add them. The Least common denominator of 14 and 7 is 14. Divide the least common denominator by the denominators and multiply the results by each fraction. Do this individually.

\begin{aligned}\frac{14 \rightarrow \text{LCD}}{14 \rightarrow \text{denominator of the first fraction}}&=\boxed{1} \:\text{multiply this result by the first fraction}\end{aligned}

14→denominator of the first fraction

14→LCD

=

1

multiply this result by the first fraction

\begin{aligned}\frac{5\times{1}}{14\times{1}}=\frac{5}{14}\end{aligned}

14×1

5×1

=

14

5

\begin{aligned}\frac{14 \rightarrow \text{LCD}}{7 \rightarrow \text{denominator of the second fraction}}&=\boxed{2} \:\text{multiply this result by the first fractio}\end{aligned}

7→denominator of the second fraction

14→LCD

=

2

multiply this result by the first fractio

\begin{aligned}\frac{4\times{2}}{7\times{2}}=\frac{8}{14}\end{aligned}

7×2

4×2

=

14

8

We now have two similar fractions, namely, \begin{aligned}\frac{5}{14}\end{aligned}

14

5

and \begin{aligned}\frac{8}{14}\end{aligned}

14

8

. Add these two similar fractions to get the final answer.

\begin{aligned}\frac{5}{14}+\frac{8}{14}=\frac{5+8}{14}=\boxed{\frac{13}{14}}\end{aigned}

Thus, the three pieces of lace are \begin{aligned}\frac{13}{14}\end{aligned}

14

13

meters.