Add 72/15 and 80/30
1st number: 4 12/15, 2nd number: 2 20/30
72/15 + 80/30 is 112/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
72/15 = 72 × 2/15 × 2 = 144/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
80/30 = 80 × 1/30 × 1 = 80/30 - Add the two like fractions:
144/30 + 80/30 = 144 + 80/30 = 224/30 - 224/30 simplified gives 112/15
- So, 72/15 + 80/30 = 112/15
In mixed form: 77/15
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