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