Subtract 2/36 from 18/21
18/21 - 2/36 is 101/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
18/21 = 18 × 12/21 × 12 = 216/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
2/36 = 2 × 7/36 × 7 = 14/252 - Subtract the two like fractions:
216/252 - 14/252 = 216 - 14/252 = 202/252 - After reducing the fraction, the answer is 101/126
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