Add 63/36 and 42/28, Solve 1 27/36 + 1 14/28 as a fraction

Add 63/36 and 42/28

1^st number: 1 27/36, 2^nd number: 1 14/28

63/36 + 42/28 is 13/4.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
63/36 = 63 × 7/36 × 7 = 441/252
Likewise, for the 2nd fraction, since 28 × 9 = 252,
42/28 = 42 × 9/28 × 9 = 378/252
Add the two like fractions:
441/252 + 378/252 = 441 + 378/252 = 819/252
819/252 simplified gives 13/4
So, 63/36 + 42/28 = 13/4
In mixed form: 31/4

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