Add 81/56 and 21/10
1st number: 1 25/56, 2nd number: 2 1/10
81/56 + 21/10 is 993/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
81/56 = 81 × 5/56 × 5 = 405/280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,
21/10 = 21 × 28/10 × 28 = 588/280 - Add the two like fractions:
405/280 + 588/280 = 405 + 588/280 = 993/280 - So, 81/56 + 21/10 = 993/280
In mixed form: 3153/280
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