Add 21/60 and 15/6
1st number: 21/60, 2nd number: 2 3/6
21/60 + 15/6 is 57/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
15/6 = 15 × 10/6 × 10 = 150/60 - Add the two like fractions:
21/60 + 150/60 = 21 + 150/60 = 171/60 - 171/60 simplified gives 57/20
- So, 21/60 + 15/6 = 57/20
In mixed form: 217/20
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