Question

what is the best estimate for this sum?
1/4 + 2/7

Answer 1

In context to questions asked,

We have to determine the sum of given fraction.

As per questions,

We have,

$\frac{1}{4} + \frac{2}{7}$

As here

the denomination of both the fractions are different, so first we will determine the LCM of 4 and 7.

So, LCM of 4 and 7 will be 28

So, we will multiply the numerator and denominator of first fractions by 7 and numerator and denominator of second fraction by 4.

Hence, we will get,

$\frac{1 \times 7}{4 \times 7} + \frac{2 \times 4}{7 \times 4} \\ = > \frac{7}{28} + \frac{8}{28} \\ = > \frac{15}{28}$

Hence, 15/28 will be simplified value of given expression.