Subtract 56/30 from 27/9
1st number: 3 0/9, 2nd number: 1 26/30
27/9 - 56/30 is 17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
27/9 = 27 × 10/9 × 10 = 270/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
56/30 = 56 × 3/30 × 3 = 168/90 - Subtract the two like fractions:
270/90 - 168/90 = 270 - 168/90 = 102/90 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/9-56/30 27/18-56/30 27/9-56/60 81/9-56/30 27/9-56/90 27/45-56/30 27/63-56/30