Add 81/60 and 30/15
1st number: 1 21/60, 2nd number: 2 0/15
81/60 + 30/15 is 67/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 15 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 15 × 4 = 60,
30/15 = 30 × 4/15 × 4 = 120/60 - Add the two like fractions:
81/60 + 120/60 = 81 + 120/60 = 201/60 - 201/60 simplified gives 67/20
- So, 81/60 + 30/15 = 67/20
In mixed form: 37/20
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