Add 9/20 and 81/56
1st number: 9/20, 2nd number: 1 25/56
9/20 + 81/56 is 531/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
9/20 = 9 × 14/20 × 14 = 126/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
81/56 = 81 × 5/56 × 5 = 405/280 - Add the two like fractions:
126/280 + 405/280 = 126 + 405/280 = 531/280 - So, 9/20 + 81/56 = 531/280
In mixed form: 1251/280
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