Subtract 27/32 from 4/90
4/90 - 27/32 is -1151/1440.
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,
4/90 = 4 × 16/90 × 16 = 64/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
27/32 = 27 × 45/32 × 45 = 1215/1440 - Subtract the two like fractions:
64/1440 - 1215/1440 = 64 - 1215/1440 = -1151/1440
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