Subtract 45/56 from 6/9
6/9 - 45/56 is -23/168.
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,
6/9 = 6 × 56/9 × 56 = 336/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
45/56 = 45 × 9/56 × 9 = 405/504 - Subtract the two like fractions:
336/504 - 405/504 = 336 - 405/504 = -69/504 - After reducing the fraction, the answer is -23/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-45/56 6/9-90/56 6/18-45/56 18/9-45/56 6/27-45/56 30/9-45/56 6/45-45/56 42/9-45/56 6/63-45/56