Subtract 9/36 from 21/75
21/75 - 9/36 is 3/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
21/75 = 21 × 12/75 × 12 = 252/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
9/36 = 9 × 25/36 × 25 = 225/900 - Subtract the two like fractions:
252/900 - 225/900 = 252 - 225/900 = 27/900 - After reducing the fraction, the answer is 3/100
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