Subtract 21/75 from 6/36
6/36 - 21/75 is -17/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 75 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 36 × 25 = 900,
6/36 = 6 × 25/36 × 25 = 150/900 - Likewise, for the 2nd fraction, since 75 × 12 = 900,
21/75 = 21 × 12/75 × 12 = 252/900 - Subtract the two like fractions:
150/900 - 252/900 = 150 - 252/900 = -102/900 - After reducing the fraction, the answer is -17/150
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