Subtract 49/60 from 4/90
4/90 - 49/60 is -139/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 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 60 × 3 = 180,
49/60 = 49 × 3/60 × 3 = 147/180 - Subtract the two like fractions:
8/180 - 147/180 = 8 - 147/180 = -139/180
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