Subtract 32/45 from 21/60
21/60 - 32/45 is -13/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
21/60 = 21 × 3/60 × 3 = 63/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
32/45 = 32 × 4/45 × 4 = 128/180 - Subtract the two like fractions:
63/180 - 128/180 = 63 - 128/180 = -65/180 - After reducing the fraction, the answer is -13/36
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