Add 21/42 and 35/36
21/42 + 35/36 is 53/36.
Steps for adding fractions
- 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,
21/42 = 21 × 6/42 × 6 = 126/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
35/36 = 35 × 7/36 × 7 = 245/252 - Add the two like fractions:
126/252 + 245/252 = 126 + 245/252 = 371/252 - 371/252 simplified gives 53/36
- So, 21/42 + 35/36 = 53/36
In mixed form: 117/36
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