Subtract 21/75 from 4/50
4/50 - 21/75 is -1/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
4/50 = 4 × 3/50 × 3 = 12/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Subtract the two like fractions:
12/150 - 42/150 = 12 - 42/150 = -30/150 - After reducing the fraction, the answer is -1/5
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