Subtract 12/20 from 3/32
3/32 - 12/20 is -81/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
3/32 = 3 × 5/32 × 5 = 15/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
12/20 = 12 × 8/20 × 8 = 96/160 - Subtract the two like fractions:
15/160 - 96/160 = 15 - 96/160 = -81/160
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