Subtract 4/10 from 4/30
4/30 - 4/10 is -4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
4/30 = 4 × 1/30 × 1 = 4/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
4/10 = 4 × 3/10 × 3 = 12/30 - Subtract the two like fractions:
4/30 - 12/30 = 4 - 12/30 = -8/30 - After reducing the fraction, the answer is -4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-4/10 4/30-8/10 4/60-4/10 4/30-4/20 12/30-4/10 4/30-12/10 4/90-4/10 4/30-4/30 20/30-4/10 4/30-20/10 4/30-4/50 28/30-4/10 4/30-28/10 4/30-4/70