Subtract 36/56 from 21/50
21/50 - 36/56 is -39/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
21/50 = 21 × 28/50 × 28 = 588/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
36/56 = 36 × 25/56 × 25 = 900/1400 - Subtract the two like fractions:
588/1400 - 900/1400 = 588 - 900/1400 = -312/1400 - After reducing the fraction, the answer is -39/175
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