Question

What is the first step to finding the sum of 2/7 & 1/4 without a calculator?

Answer 1

Answer:

first get a common denominator  by multiplying 7 and 4 to get  28

28 is our common denominator here.

Step-by-step explanation:

We want to add the fractions   2/7 and 1/4

(2/7) * (4/4)   and    (1/4) * (7/7)

(2/7) * (4/4)   +   (1/4) * (7/7) =  8/28  + 7/28 = 15/28