Add 4/20 and 81/60
1st number: 4/20, 2nd number: 1 21/60
4/20 + 81/60 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
12/60 + 81/60 = 12 + 81/60 = 93/60 - 93/60 simplified gives 31/20
- So, 4/20 + 81/60 = 31/20
In mixed form: 111/20
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