Subtract 56/42 from 21/75
1st number: 21/75, 2nd number: 1 14/42
21/75 - 56/42 is -79/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
21/75 = 21 × 14/75 × 14 = 294/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
56/42 = 56 × 25/42 × 25 = 1400/1050 - Subtract the two like fractions:
294/1050 - 1400/1050 = 294 - 1400/1050 = -1106/1050 - After reducing the fraction, the answer is -79/75
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