Add 4/21 and 42/36, Solve 4/21 + 1 6/36 as a fraction

Add 4/21 and 42/36

1^st number: 4/21, 2^nd number: 1 6/36

4/21 + 42/36 is 19/14.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 21 × 12 = 252,
4/21 = 4 × 12/21 × 12 = 48/252
Likewise, for the 2nd fraction, since 36 × 7 = 252,
42/36 = 42 × 7/36 × 7 = 294/252
Add the two like fractions:
48/252 + 294/252 = 48 + 294/252 = 342/252
342/252 simplified gives 19/14
So, 4/21 + 42/36 = 19/14
In mixed form: 15/14

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