Subtract 40/60 from 3/30
3/30 - 40/60 is -17/30.
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,
3/30 = 3 × 2/30 × 2 = 6/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
40/60 = 40 × 1/60 × 1 = 40/60 - Subtract the two like fractions:
6/60 - 40/60 = 6 - 40/60 = -34/60 - After reducing the fraction, the answer is -17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-40/60 3/30-80/60 3/60-40/60 9/30-40/60 3/90-40/60 15/30-40/60 21/30-40/60