Add 72/20 and 2/15
1st number: 3 12/20, 2nd number: 2/15
72/20 + 2/15 is 56/15.
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,
2/15 = 2 × 4/15 × 4 = 8/60 - Add the two like fractions:
216/60 + 8/60 = 216 + 8/60 = 224/60 - 224/60 simplified gives 56/15
- So, 72/20 + 2/15 = 56/15
In mixed form: 311/15
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