Add 81/8 and 42/7
1st number: 10 1/8, 2nd number: 6 0/7
81/8 + 42/7 is 129/8.
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,
81/8 = 81 × 7/8 × 7 = 567/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
42/7 = 42 × 8/7 × 8 = 336/56 - Add the two like fractions:
567/56 + 336/56 = 567 + 336/56 = 903/56 - 903/56 simplified gives 129/8
- So, 81/8 + 42/7 = 129/8
In mixed form: 161/8
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