Add 40/14 and 81/28, Solve 2 12/14 + 2 25/28 as a fraction

Add 40/14 and 81/28

1^st number: 2 12/14, 2^nd number: 2 25/28

40/14 + 81/28 is 23/4.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28

Next, find the equivalent fraction of both fractional numbers with denominator 28
For the 1st fraction, since 14 × 2 = 28,
40/14 = 40 × 2/14 × 2 = 80/28
Likewise, for the 2nd fraction, since 28 × 1 = 28,
81/28 = 81 × 1/28 × 1 = 81/28
Add the two like fractions:
80/28 + 81/28 = 80 + 81/28 = 161/28
161/28 simplified gives 23/4
So, 40/14 + 81/28 = 23/4
In mixed form: 53/4

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