Subtract 21/50 from 42/56
42/56 - 21/50 is 33/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
42/56 = 42 × 25/56 × 25 = 1050/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
21/50 = 21 × 28/50 × 28 = 588/1400 - Subtract the two like fractions:
1050/1400 - 588/1400 = 1050 - 588/1400 = 462/1400 - After reducing the fraction, the answer is 33/100
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