Add 20/36 and 49/42, Solve 20/36 + 1 7/42 as a fraction

Add 20/36 and 49/42

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

20/36 + 49/42 is 31/18.

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

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252
Likewise, for the 2nd fraction, since 42 × 6 = 252,
49/42 = 49 × 6/42 × 6 = 294/252
Add the two like fractions:
140/252 + 294/252 = 140 + 294/252 = 434/252
434/252 simplified gives 31/18
So, 20/36 + 49/42 = 31/18
In mixed form: 113/18

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