Add 81/80 and 16/40
1st number: 1 1/80, 2nd number: 16/40
81/80 + 16/40 is 113/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
81/80 = 81 × 1/80 × 1 = 81/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
16/40 = 16 × 2/40 × 2 = 32/80 - Add the two like fractions:
81/80 + 32/80 = 81 + 32/80 = 113/80 - So, 81/80 + 16/40 = 113/80
In mixed form: 133/80
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