Add 72/7 and 15/8
1st number: 10 2/7, 2nd number: 1 7/8
72/7 + 15/8 is 681/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
72/7 = 72 × 8/7 × 8 = 576/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
15/8 = 15 × 7/8 × 7 = 105/56 - Add the two like fractions:
576/56 + 105/56 = 576 + 105/56 = 681/56 - So, 72/7 + 15/8 = 681/56
In mixed form: 129/56
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