Subtract 42/45 from 4/32
4/32 - 42/45 is -97/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 45 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 32 × 45 = 1440,
4/32 = 4 × 45/32 × 45 = 180/1440 - Likewise, for the 2nd fraction, since 45 × 32 = 1440,
42/45 = 42 × 32/45 × 32 = 1344/1440 - Subtract the two like fractions:
180/1440 - 1344/1440 = 180 - 1344/1440 = -1164/1440 - After reducing the fraction, the answer is -97/120
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