Add 20/72 and 8/7
1st number: 20/72, 2nd number: 1 1/7
20/72 + 8/7 is 179/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
8/7 = 8 × 72/7 × 72 = 576/504 - Add the two like fractions:
140/504 + 576/504 = 140 + 576/504 = 716/504 - 716/504 simplified gives 179/126
- So, 20/72 + 8/7 = 179/126
In mixed form: 153/126
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