Add 15/8 and 64/10
1st number: 1 7/8, 2nd number: 6 4/10
15/8 + 64/10 is 331/40.
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,
15/8 = 15 × 5/8 × 5 = 75/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
64/10 = 64 × 4/10 × 4 = 256/40 - Add the two like fractions:
75/40 + 256/40 = 75 + 256/40 = 331/40 - So, 15/8 + 64/10 = 331/40
In mixed form: 811/40
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