Add 72/15 and 9/30
1st number: 4 12/15, 2nd number: 9/30
72/15 + 9/30 is 51/10.
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,
9/30 = 9 × 1/30 × 1 = 9/30 - Add the two like fractions:
144/30 + 9/30 = 144 + 9/30 = 153/30 - 153/30 simplified gives 51/10
- So, 72/15 + 9/30 = 51/10
In mixed form: 51/10
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