Add 81/60 and 3/20
1st number: 1 21/60, 2nd number: 3/20
81/60 + 3/20 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 20 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 20 × 3 = 60,
3/20 = 3 × 3/20 × 3 = 9/60 - Add the two like fractions:
81/60 + 9/60 = 81 + 9/60 = 90/60 - 90/60 simplified gives 3/2
- So, 81/60 + 3/20 = 3/2
In mixed form: 11/2
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