Add 15/36 and 20/42
15/36 + 20/42 is 25/28.
Steps for adding fractions
- 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,
15/36 = 15 × 7/36 × 7 = 105/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
20/42 = 20 × 6/42 × 6 = 120/252 - Add the two like fractions:
105/252 + 120/252 = 105 + 120/252 = 225/252 - 225/252 simplified gives 25/28
- So, 15/36 + 20/42 = 25/28
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