Add 7/42 and 56/36, Solve 7/42 + 1 20/36 as a fraction

Add 7/42 and 56/36

1^st number: 7/42, 2^nd number: 1 20/36

7/42 + 56/36 is 31/18.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 42 × 6 = 252,
7/42 = 7 × 6/42 × 6 = 42/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
56/36 = 56 × 7/36 × 7 = 392/252
Add the two like fractions:
42/252 + 392/252 = 42 + 392/252 = 434/252
434/252 simplified gives 31/18
So, 7/42 + 56/36 = 31/18
In mixed form: 113/18

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