Subtract 90/35 from 72/56
1st number: 1 16/56, 2nd number: 2 20/35
72/56 - 90/35 is -9/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
72/56 = 72 × 5/56 × 5 = 360/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
90/35 = 90 × 8/35 × 8 = 720/280 - Subtract the two like fractions:
360/280 - 720/280 = 360 - 720/280 = -360/280 - After reducing the fraction, the answer is -9/7
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