Subtract 40/30 from 10/5
1st number: 2 0/5, 2nd number: 1 10/30
10/5 - 40/30 is 2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
10/5 = 10 × 6/5 × 6 = 60/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
40/30 = 40 × 1/30 × 1 = 40/30 - Subtract the two like fractions:
60/30 - 40/30 = 60 - 40/30 = 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: 20/5-40/30 10/5-80/30 10/5-40/60 30/5-40/30 10/15-40/30 10/5-40/90 50/5-40/30 10/25-40/30 70/5-40/30 10/35-40/30