Add 72/30 and 42/15
1st number: 2 12/30, 2nd number: 2 12/15
72/30 + 42/15 is 26/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
72/30 = 72 × 1/30 × 1 = 72/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
42/15 = 42 × 2/15 × 2 = 84/30 - Add the two like fractions:
72/30 + 84/30 = 72 + 84/30 = 156/30 - 156/30 simplified gives 26/5
- So, 72/30 + 42/15 = 26/5
In mixed form: 51/5
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