Subtract 45/25 from 20/12
1st number: 1 8/12, 2nd number: 1 20/25
20/12 - 45/25 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
20/12 = 20 × 25/12 × 25 = 500/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
45/25 = 45 × 12/25 × 12 = 540/300 - Subtract the two like fractions:
500/300 - 540/300 = 500 - 540/300 = -40/300 - After reducing the fraction, the answer is -2/15
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