Subtract 20/56 from 36/18
1st number: 2 0/18, 2nd number: 20/56
36/18 - 20/56 is 23/14.
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,
36/18 = 36 × 28/18 × 28 = 1008/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Subtract the two like fractions:
1008/504 - 180/504 = 1008 - 180/504 = 828/504 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18-20/56 36/18-40/56 36/18-60/56 36/54-20/56 36/90-20/56