Subtract 15/56 from 12/9
1st number: 1 3/9, 2nd number: 15/56
12/9 - 15/56 is 179/168.
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,
12/9 = 12 × 56/9 × 56 = 672/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
15/56 = 15 × 9/56 × 9 = 135/504 - Subtract the two like fractions:
672/504 - 135/504 = 672 - 135/504 = 537/504 - After reducing the fraction, the answer is 179/168
- In mixed form: 111/168
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