Add 81/60 and 15/4
1st number: 1 21/60, 2nd number: 3 3/4
81/60 + 15/4 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
15/4 = 15 × 15/4 × 15 = 225/60 - Add the two like fractions:
81/60 + 225/60 = 81 + 225/60 = 306/60 - 306/60 simplified gives 51/10
- So, 81/60 + 15/4 = 51/10
In mixed form: 51/10
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