Subtract 9/30 from 4/10
4/10 - 9/30 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
4/10 = 4 × 3/10 × 3 = 12/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Subtract the two like fractions:
12/30 - 9/30 = 12 - 9/30 = 3/30 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-9/30 4/10-18/30 4/20-9/30 4/10-9/60 12/10-9/30 4/10-27/30 4/30-9/30 4/10-9/90 20/10-9/30 4/10-45/30 4/50-9/30 28/10-9/30 4/10-63/30 4/70-9/30