Subtract 27/42 from 27/50
27/50 - 27/42 is -18/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
27/50 = 27 × 21/50 × 21 = 567/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
27/42 = 27 × 25/42 × 25 = 675/1050 - Subtract the two like fractions:
567/1050 - 675/1050 = 567 - 675/1050 = -108/1050 - After reducing the fraction, the answer is -18/175
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