Subtract 45/36 from 7/15
1st number: 7/15, 2nd number: 1 9/36
7/15 - 45/36 is -47/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
7/15 = 7 × 12/15 × 12 = 84/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Subtract the two like fractions:
84/180 - 225/180 = 84 - 225/180 = -141/180 - After reducing the fraction, the answer is -47/60
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