Add 54/80 and 1/72
54/80 + 1/72 is 31/45.
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,
54/80 = 54 × 9/80 × 9 = 486/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
1/72 = 1 × 10/72 × 10 = 10/720 - Add the two like fractions:
486/720 + 10/720 = 486 + 10/720 = 496/720 - 496/720 simplified gives 31/45
- So, 54/80 + 1/72 = 31/45
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