Subtract 4/90 from 42/96
42/96 - 4/90 is 283/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 90 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 96 × 15 = 1440,
42/96 = 42 × 15/96 × 15 = 630/1440 - Likewise, for the 2nd fraction, since 90 × 16 = 1440,
4/90 = 4 × 16/90 × 16 = 64/1440 - Subtract the two like fractions:
630/1440 - 64/1440 = 630 - 64/1440 = 566/1440 - After reducing the fraction, the answer is 283/720
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