Add 81/60 and 2/30
1st number: 1 21/60, 2nd number: 2/30
81/60 + 2/30 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 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 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Add the two like fractions:
81/60 + 4/60 = 81 + 4/60 = 85/60 - 85/60 simplified gives 17/12
- So, 81/60 + 2/30 = 17/12
In mixed form: 15/12
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