Subtract 45/90 from 4/32
4/32 - 45/90 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 90 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 90 × 16 = 1440,
45/90 = 45 × 16/90 × 16 = 720/1440 - Subtract the two like fractions:
180/1440 - 720/1440 = 180 - 720/1440 = -540/1440 - After reducing the fraction, the answer is -3/8
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