Add 72/36 and 15/42
1st number: 2 0/36, 2nd number: 15/42
72/36 + 15/42 is 33/14.
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,
72/36 = 72 × 7/36 × 7 = 504/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
15/42 = 15 × 6/42 × 6 = 90/252 - Add the two like fractions:
504/252 + 90/252 = 504 + 90/252 = 594/252 - 594/252 simplified gives 33/14
- So, 72/36 + 15/42 = 33/14
In mixed form: 25/14
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