Add 60/42 and 80/72
1st number: 1 18/42, 2nd number: 1 8/72
60/42 + 80/72 is 160/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
60/42 = 60 × 12/42 × 12 = 720/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
80/72 = 80 × 7/72 × 7 = 560/504 - Add the two like fractions:
720/504 + 560/504 = 720 + 560/504 = 1280/504 - 1280/504 simplified gives 160/63
- So, 60/42 + 80/72 = 160/63
In mixed form: 234/63
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