Subtract 9/96 from 4/90
4/90 - 9/96 is -71/1440.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
4/90 = 4 × 16/90 × 16 = 64/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
9/96 = 9 × 15/96 × 15 = 135/1440 - Subtract the two like fractions:
64/1440 - 135/1440 = 64 - 135/1440 = -71/1440
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