Subtract 15/24 from 90/7
1st number: 12 6/7, 2nd number: 15/24
90/7 - 15/24 is 685/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
90/7 = 90 × 24/7 × 24 = 2160/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
15/24 = 15 × 7/24 × 7 = 105/168 - Subtract the two like fractions:
2160/168 - 105/168 = 2160 - 105/168 = 2055/168 - After reducing the fraction, the answer is 685/56
- In mixed form: 1213/56
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