Add 7/8 and 9/10
7/8 + 9/10 is 71/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 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 10 × 4 = 40,
9/10 = 9 × 4/10 × 4 = 36/40 - Add the two like fractions:
35/40 + 36/40 = 35 + 36/40 = 71/40 - So, 7/8 + 9/10 = 71/40
In mixed form: 131/40
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