Add 21/15 and 12/60
1st number: 1 6/15, 2nd number: 12/60
21/15 + 12/60 is 8/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
21/15 = 21 × 4/15 × 4 = 84/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
12/60 = 12 × 1/60 × 1 = 12/60 - Add the two like fractions:
84/60 + 12/60 = 84 + 12/60 = 96/60 - 96/60 simplified gives 8/5
- So, 21/15 + 12/60 = 8/5
In mixed form: 13/5
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