Subtract 18/9 from 56/60
1st number: 56/60, 2nd number: 2 0/9
56/60 - 18/9 is -16/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
56/60 = 56 × 3/60 × 3 = 168/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
18/9 = 18 × 20/9 × 20 = 360/180 - Subtract the two like fractions:
168/180 - 360/180 = 168 - 360/180 = -192/180 - After reducing the fraction, the answer is -16/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/60-36/9 56/60-54/9 56/60-18/27 56/60-90/9 56/60-18/45 56/60-18/63