Subtract 1/4 from 4/90
4/90 - 1/4 is -37/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
1/4 = 1 × 45/4 × 45 = 45/180 - Subtract the two like fractions:
8/180 - 45/180 = 8 - 45/180 = -37/180
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