Add 81/80 and 9/10
1st number: 1 1/80, 2nd number: 9/10
81/80 + 9/10 is 153/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 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 10 × 8 = 80,
9/10 = 9 × 8/10 × 8 = 72/80 - Add the two like fractions:
81/80 + 72/80 = 81 + 72/80 = 153/80 - So, 81/80 + 9/10 = 153/80
In mixed form: 173/80
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