Subtract 3/56 from 12/9
1st number: 1 3/9, 2nd number: 3/56
12/9 - 3/56 is 215/168.
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,
3/56 = 3 × 9/56 × 9 = 27/504 - Subtract the two like fractions:
672/504 - 27/504 = 672 - 27/504 = 645/504 - After reducing the fraction, the answer is 215/168
- In mixed form: 147/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9-3/56 12/9-6/56 12/18-3/56 36/9-3/56 12/9-9/56 12/27-3/56 60/9-3/56 12/9-15/56 12/45-3/56 84/9-3/56 12/9-21/56 12/63-3/56