Question

Work out the sum of 1 2 , 1 4 and 2 5 . Give your answer as a mixed number in its simplest form.

Answer 1

Sum of fractions = 1³/₂₀

Explanation:

Given fractions;

1/2 , 1/4 and 2/5

Find:

Sum of fractions

Computation:

1/2 + 1/4 + 2/5

Step 1 ;

Taking LCM of denominator

[(1 x 10) + (1 x 5) + (2 x 4)]/ 20

Step 2 :

Using BODMAS rule;

[10 + 5 + 8] / 20

[15 + 8] / 20

23 / 20

Step 3:

By changing simple fraction into mixed fraction

Sum of fractions = 1³/₂₀