Add 20/15 and 9/60
1st number: 1 5/15, 2nd number: 9/60
20/15 + 9/60 is 89/60.
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,
20/15 = 20 × 4/15 × 4 = 80/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
9/60 = 9 × 1/60 × 1 = 9/60 - Add the two like fractions:
80/60 + 9/60 = 80 + 9/60 = 89/60 - So, 20/15 + 9/60 = 89/60
In mixed form: 129/60
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