Subtract 40/60 from 10/18
10/18 - 40/60 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
10/18 = 10 × 10/18 × 10 = 100/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
40/60 = 40 × 3/60 × 3 = 120/180 - Subtract the two like fractions:
100/180 - 120/180 = 100 - 120/180 = -20/180 - After reducing the fraction, the answer is -1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18-40/60 10/18-80/60 10/36-40/60 30/18-40/60 10/54-40/60 50/18-40/60 10/90-40/60 70/18-40/60