Add 72/15 and 42/10
1st number: 4 12/15, 2nd number: 4 2/10
72/15 + 42/10 is 9/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 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 10 × 3 = 30,
42/10 = 42 × 3/10 × 3 = 126/30 - Add the two like fractions:
144/30 + 126/30 = 144 + 126/30 = 270/30 - 270/30 simplified gives 9/1
- So, 72/15 + 42/10 = 9/1
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