Subtract 5/18 from 90/56
1st number: 1 34/56, 2nd number: 5/18
90/56 - 5/18 is 335/252.
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,
90/56 = 90 × 9/56 × 9 = 810/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
5/18 = 5 × 28/18 × 28 = 140/504 - Subtract the two like fractions:
810/504 - 140/504 = 810 - 140/504 = 670/504 - After reducing the fraction, the answer is 335/252
- In mixed form: 183/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56-10/18 90/56-5/36 90/56-15/18 90/56-5/54 90/56-25/18 90/56-5/90 90/56-35/18