Add 72/8 and 20/7
1st number: 9 0/8, 2nd number: 2 6/7
72/8 + 20/7 is 83/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
72/8 = 72 × 7/8 × 7 = 504/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
20/7 = 20 × 8/7 × 8 = 160/56 - Add the two like fractions:
504/56 + 160/56 = 504 + 160/56 = 664/56 - 664/56 simplified gives 83/7
- So, 72/8 + 20/7 = 83/7
In mixed form: 116/7
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