Subtract 28/32 from 20/35
20/35 - 28/32 is -17/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 35 × 32 = 1120,
20/35 = 20 × 32/35 × 32 = 640/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
28/32 = 28 × 35/32 × 35 = 980/1120 - Subtract the two like fractions:
640/1120 - 980/1120 = 640 - 980/1120 = -340/1120 - After reducing the fraction, the answer is -17/56
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