Add 81/60 and 30/72
1st number: 1 21/60, 2nd number: 30/72
81/60 + 30/72 is 53/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 60 × 6 = 360,
81/60 = 81 × 6/60 × 6 = 486/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
30/72 = 30 × 5/72 × 5 = 150/360 - Add the two like fractions:
486/360 + 150/360 = 486 + 150/360 = 636/360 - 636/360 simplified gives 53/30
- So, 81/60 + 30/72 = 53/30
In mixed form: 123/30
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