Add 15/60 and 20/15
1st number: 15/60, 2nd number: 1 5/15
15/60 + 20/15 is 19/12.
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,
15/60 = 15 × 1/60 × 1 = 15/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
20/15 = 20 × 4/15 × 4 = 80/60 - Add the two like fractions:
15/60 + 80/60 = 15 + 80/60 = 95/60 - 95/60 simplified gives 19/12
- So, 15/60 + 20/15 = 19/12
In mixed form: 17/12
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