Subtract 18/40 from 6/5
1st number: 1 1/5, 2nd number: 18/40
6/5 - 18/40 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
6/5 = 6 × 8/5 × 8 = 48/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Subtract the two like fractions:
48/40 - 18/40 = 48 - 18/40 = 30/40 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/5-18/40 6/5-36/40 6/10-18/40 6/5-18/80 18/5-18/40 6/5-54/40 6/15-18/40 30/5-18/40 6/5-90/40 6/25-18/40 42/5-18/40 6/35-18/40