Add 5/6 and 6/7
5/6 + 6/7 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
5/6 = 5 × 7/6 × 7 = 35/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
6/7 = 6 × 6/7 × 6 = 36/42 - Add the two like fractions:
35/42 + 36/42 = 35 + 36/42 = 71/42 - So, 5/6 + 6/7 = 71/42
In mixed form: 129/42
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