Subtract 2/18 from 45/56
45/56 - 2/18 is 349/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
45/56 = 45 × 9/56 × 9 = 405/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
2/18 = 2 × 28/18 × 28 = 56/504 - Subtract the two like fractions:
405/504 - 56/504 = 405 - 56/504 = 349/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-2/18 45/56-4/18 45/56-2/36 45/56-6/18 45/56-2/54 45/56-10/18 45/56-2/90 45/56-14/18