Subtract 84/20 from 72/56
1st number: 1 16/56, 2nd number: 4 4/20
72/56 - 84/20 is -102/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 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 20 × 14 = 280,
84/20 = 84 × 14/20 × 14 = 1176/280 - Subtract the two like fractions:
360/280 - 1176/280 = 360 - 1176/280 = -816/280 - After reducing the fraction, the answer is -102/35
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