Subtract 45/25 from 12/9
1st number: 1 3/9, 2nd number: 1 20/25
12/9 - 45/25 is -7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
12/9 = 12 × 25/9 × 25 = 300/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
45/25 = 45 × 9/25 × 9 = 405/225 - Subtract the two like fractions:
300/225 - 405/225 = 300 - 405/225 = -105/225 - After reducing the fraction, the answer is -7/15
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