Add 56/80 and 45/72
56/80 + 45/72 is 53/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
56/80 = 56 × 9/80 × 9 = 504/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
45/72 = 45 × 10/72 × 10 = 450/720 - Add the two like fractions:
504/720 + 450/720 = 504 + 450/720 = 954/720 - 954/720 simplified gives 53/40
- So, 56/80 + 45/72 = 53/40
In mixed form: 113/40
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