Subtract 60/40 from 18/3
1st number: 6 0/3, 2nd number: 1 20/40
18/3 - 60/40 is 9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
18/3 = 18 × 40/3 × 40 = 720/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
60/40 = 60 × 3/40 × 3 = 180/120 - Subtract the two like fractions:
720/120 - 180/120 = 720 - 180/120 = 540/120 - After reducing the fraction, the answer is 9/2
- In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/3-60/40 18/6-60/40 18/3-60/80 54/3-60/40 18/9-60/40 90/3-60/40 18/15-60/40 18/21-60/40