Add 15/8 and 81/80
1st number: 1 7/8, 2nd number: 1 1/80
15/8 + 81/80 is 231/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
15/8 = 15 × 10/8 × 10 = 150/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Add the two like fractions:
150/80 + 81/80 = 150 + 81/80 = 231/80 - So, 15/8 + 81/80 = 231/80
In mixed form: 271/80
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