Subtract 72/20 from 35/28
1st number: 1 7/28, 2nd number: 3 12/20
35/28 - 72/20 is -47/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
35/28 = 35 × 5/28 × 5 = 175/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
72/20 = 72 × 7/20 × 7 = 504/140 - Subtract the two like fractions:
175/140 - 504/140 = 175 - 504/140 = -329/140 - After reducing the fraction, the answer is -47/20
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