Subtract 72/28 from 9/5
1st number: 1 4/5, 2nd number: 2 16/28
9/5 - 72/28 is -27/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
9/5 = 9 × 28/5 × 28 = 252/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
72/28 = 72 × 5/28 × 5 = 360/140 - Subtract the two like fractions:
252/140 - 360/140 = 252 - 360/140 = -108/140 - After reducing the fraction, the answer is -27/35
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