Add 72/20 and 60/15
1st number: 3 12/20, 2nd number: 4 0/15
72/20 + 60/15 is 38/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
72/20 = 72 × 3/20 × 3 = 216/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
60/15 = 60 × 4/15 × 4 = 240/60 - Add the two like fractions:
216/60 + 240/60 = 216 + 240/60 = 456/60 - 456/60 simplified gives 38/5
- So, 72/20 + 60/15 = 38/5
In mixed form: 73/5
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