Add 7/8 and 27/40
7/8 + 27/40 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
7/8 = 7 × 5/8 × 5 = 35/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
27/40 = 27 × 1/40 × 1 = 27/40 - Add the two like fractions:
35/40 + 27/40 = 35 + 27/40 = 62/40 - 62/40 simplified gives 31/20
- So, 7/8 + 27/40 = 31/20
In mixed form: 111/20
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