Subtract 12/5 from 15/45
1st number: 15/45, 2nd number: 2 2/5
15/45 - 12/5 is -31/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
15/45 = 15 × 1/45 × 1 = 15/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
12/5 = 12 × 9/5 × 9 = 108/45 - Subtract the two like fractions:
15/45 - 108/45 = 15 - 108/45 = -93/45 - After reducing the fraction, the answer is -31/15
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