Subtract 25/63 from 21/36
21/36 - 25/63 is 47/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
21/36 = 21 × 7/36 × 7 = 147/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
25/63 = 25 × 4/63 × 4 = 100/252 - Subtract the two like fractions:
147/252 - 100/252 = 147 - 100/252 = 47/252
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