Subtract 72/10 from 28/15
1st number: 1 13/15, 2nd number: 7 2/10
28/15 - 72/10 is -16/3.
Steps for subtracting 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,
28/15 = 28 × 2/15 × 2 = 56/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
72/10 = 72 × 3/10 × 3 = 216/30 - Subtract the two like fractions:
56/30 - 216/30 = 56 - 216/30 = -160/30 - After reducing the fraction, the answer is -16/3
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