Add 56/75 and 21/80
56/75 + 21/80 is 1211/1200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
56/75 = 56 × 16/75 × 16 = 896/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
21/80 = 21 × 15/80 × 15 = 315/1200 - Add the two like fractions:
896/1200 + 315/1200 = 896 + 315/1200 = 1211/1200 - So, 56/75 + 21/80 = 1211/1200
In mixed form: 111/1200
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