Subtract 15/7 from 45/24
1st number: 1 21/24, 2nd number: 2 1/7
45/24 - 15/7 is -15/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 7 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
45/24 = 45 × 7/24 × 7 = 315/168 - Likewise, for the 2nd fraction, since 7 × 24 = 168,
15/7 = 15 × 24/7 × 24 = 360/168 - Subtract the two like fractions:
315/168 - 360/168 = 315 - 360/168 = -45/168 - After reducing the fraction, the answer is -15/56
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