Subtract 3/56 from 90/18
1st number: 5 0/18, 2nd number: 3/56
90/18 - 3/56 is 277/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
90/18 = 90 × 28/18 × 28 = 2520/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
3/56 = 3 × 9/56 × 9 = 27/504 - Subtract the two like fractions:
2520/504 - 27/504 = 2520 - 27/504 = 2493/504 - After reducing the fraction, the answer is 277/56
- In mixed form: 453/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18-6/56 90/36-3/56 90/18-9/56 90/54-3/56 90/18-15/56 90/18-21/56