Subtract 21/35 from 9/36
9/36 - 21/35 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
9/36 = 9 × 35/36 × 35 = 315/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
21/35 = 21 × 36/35 × 36 = 756/1260 - Subtract the two like fractions:
315/1260 - 756/1260 = 315 - 756/1260 = -441/1260 - After reducing the fraction, the answer is -7/20
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