Add 4/7 and 7/8
4/7 + 7/8 is 81/56.
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,
4/7 = 4 × 8/7 × 8 = 32/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
7/8 = 7 × 7/8 × 7 = 49/56 - Add the two like fractions:
32/56 + 49/56 = 32 + 49/56 = 81/56 - So, 4/7 + 7/8 = 81/56
In mixed form: 125/56
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