Add 15/42 and 30/36
15/42 + 30/36 is 25/21.
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,
15/42 = 15 × 6/42 × 6 = 90/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Add the two like fractions:
90/252 + 210/252 = 90 + 210/252 = 300/252 - 300/252 simplified gives 25/21
- So, 15/42 + 30/36 = 25/21
In mixed form: 14/21
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