Subtract 4/90 from 1/60
1/60 - 4/90 is -1/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
1/60 = 1 × 3/60 × 3 = 3/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
4/90 = 4 × 2/90 × 2 = 8/180 - Subtract the two like fractions:
3/180 - 8/180 = 3 - 8/180 = -5/180 - After reducing the fraction, the answer is -1/36
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