Subtract 40/6 from 30/5
1st number: 6 0/5, 2nd number: 6 4/6
30/5 - 40/6 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
30/5 = 30 × 6/5 × 6 = 180/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
40/6 = 40 × 5/6 × 5 = 200/30 - Subtract the two like fractions:
180/30 - 200/30 = 180 - 200/30 = -20/30 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-40/6 30/5-80/6 30/10-40/6 30/5-40/12 90/5-40/6 30/15-40/6 30/5-40/18 30/25-40/6 30/5-40/30 30/35-40/6 30/5-40/42