Add 60/72 and 15/42
60/72 + 15/42 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
60/72 = 60 × 7/72 × 7 = 420/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
15/42 = 15 × 12/42 × 12 = 180/504 - Add the two like fractions:
420/504 + 180/504 = 420 + 180/504 = 600/504 - 600/504 simplified gives 25/21
- So, 60/72 + 15/42 = 25/21
In mixed form: 14/21
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