Subtract 21/75 from 1/2
1/2 - 21/75 is 11/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 2 × 75 = 150,
1/2 = 1 × 75/2 × 75 = 75/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Subtract the two like fractions:
75/150 - 42/150 = 75 - 42/150 = 33/150 - After reducing the fraction, the answer is 11/50
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