Subtract 45/36 from 15/75
1st number: 15/75, 2nd number: 1 9/36
15/75 - 45/36 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
15/75 = 15 × 12/75 × 12 = 180/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
45/36 = 45 × 25/36 × 25 = 1125/900 - Subtract the two like fractions:
180/900 - 1125/900 = 180 - 1125/900 = -945/900 - After reducing the fraction, the answer is -21/20
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