Subtract 7/5 from 12/45
1st number: 12/45, 2nd number: 1 2/5
12/45 - 7/5 is -17/15.
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,
12/45 = 12 × 1/45 × 1 = 12/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
7/5 = 7 × 9/5 × 9 = 63/45 - Subtract the two like fractions:
12/45 - 63/45 = 12 - 63/45 = -51/45 - After reducing the fraction, the answer is -17/15
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