Subtract 4/36 from 21/35
21/35 - 4/36 is 22/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 35 × 36 = 1260,
21/35 = 21 × 36/35 × 36 = 756/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
4/36 = 4 × 35/36 × 35 = 140/1260 - Subtract the two like fractions:
756/1260 - 140/1260 = 756 - 140/1260 = 616/1260 - After reducing the fraction, the answer is 22/45
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