Add 9/7 and 81/8
1st number: 1 2/7, 2nd number: 10 1/8
9/7 + 81/8 is 639/56.
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,
9/7 = 9 × 8/7 × 8 = 72/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
81/8 = 81 × 7/8 × 7 = 567/56 - Add the two like fractions:
72/56 + 567/56 = 72 + 567/56 = 639/56 - So, 9/7 + 81/8 = 639/56
In mixed form: 1123/56
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