Subtract 45/12 from 15/25
1st number: 15/25, 2nd number: 3 9/12
15/25 - 45/12 is -63/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
15/25 = 15 × 12/25 × 12 = 180/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
45/12 = 45 × 25/12 × 25 = 1125/300 - Subtract the two like fractions:
180/300 - 1125/300 = 180 - 1125/300 = -945/300 - After reducing the fraction, the answer is -63/20
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