Subtract 81/32 from 5/90
1st number: 5/90, 2nd number: 2 17/32
5/90 - 81/32 is -713/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
5/90 = 5 × 16/90 × 16 = 80/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
81/32 = 81 × 45/32 × 45 = 3645/1440 - Subtract the two like fractions:
80/1440 - 3645/1440 = 80 - 3645/1440 = -3565/1440 - After reducing the fraction, the answer is -713/288
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