Add 56/72 and 9/80
56/72 + 9/80 is 641/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
56/72 = 56 × 10/72 × 10 = 560/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Add the two like fractions:
560/720 + 81/720 = 560 + 81/720 = 641/720 - So, 56/72 + 9/80 = 641/720
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