Subtract 90/60 from 40/36
1st number: 1 4/36, 2nd number: 1 30/60
40/36 - 90/60 is -7/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
40/36 = 40 × 5/36 × 5 = 200/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
90/60 = 90 × 3/60 × 3 = 270/180 - Subtract the two like fractions:
200/180 - 270/180 = 200 - 270/180 = -70/180 - After reducing the fraction, the answer is -7/18
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