Add 9/36 and 21/14, Solve 9/36 + 1 7/14 as a fraction

Add 9/36 and 21/14

1^st number: 9/36, 2^nd number: 1 7/14

9/36 + 21/14 is 7/4.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 14 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
9/36 = 9 × 7/36 × 7 = 63/252
Likewise, for the 2nd fraction, since 14 × 18 = 252,
21/14 = 21 × 18/14 × 18 = 378/252
Add the two like fractions:
63/252 + 378/252 = 63 + 378/252 = 441/252
441/252 simplified gives 7/4
So, 9/36 + 21/14 = 7/4
In mixed form: 13/4

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