Subtract 36/63 from 21/35
21/35 - 36/63 is 1/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
21/35 = 21 × 9/35 × 9 = 189/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
36/63 = 36 × 5/63 × 5 = 180/315 - Subtract the two like fractions:
189/315 - 180/315 = 189 - 180/315 = 9/315 - After reducing the fraction, the answer is 1/35
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