Subtract 21/56 from 15/9
1st number: 1 6/9, 2nd number: 21/56
15/9 - 21/56 is 31/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
15/9 = 15 × 56/9 × 56 = 840/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Subtract the two like fractions:
840/504 - 189/504 = 840 - 189/504 = 651/504 - After reducing the fraction, the answer is 31/24
- In mixed form: 17/24
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