Subtract 32/54 from 21/36
21/36 - 32/54 is -1/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
21/36 = 21 × 3/36 × 3 = 63/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
32/54 = 32 × 2/54 × 2 = 64/108 - Subtract the two like fractions:
63/108 - 64/108 = 63 - 64/108 = -1/108
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