Add 72/4 and 81/60
1st number: 18 0/4, 2nd number: 1 21/60
72/4 + 81/60 is 387/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
72/4 = 72 × 15/4 × 15 = 1080/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
1080/60 + 81/60 = 1080 + 81/60 = 1161/60 - 1161/60 simplified gives 387/20
- So, 72/4 + 81/60 = 387/20
In mixed form: 197/20
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