Add 15/16 and 81/80
1st number: 15/16, 2nd number: 1 1/80
15/16 + 81/80 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
15/16 = 15 × 5/16 × 5 = 75/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Add the two like fractions:
75/80 + 81/80 = 75 + 81/80 = 156/80 - 156/80 simplified gives 39/20
- So, 15/16 + 81/80 = 39/20
In mixed form: 119/20
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