Subtract 3/10 from 1/30
1/30 - 3/10 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,
1/30 = 1 × 1/30 × 1 = 1/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
3/10 = 3 × 3/10 × 3 = 9/30 - Subtract the two like fractions:
1/30 - 9/30 = 1 - 9/30 = -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: 2/30-3/10 1/30-6/10 1/60-3/10 1/30-3/20 3/30-3/10 1/30-9/10 1/90-3/10 1/30-3/30 5/30-3/10 1/30-15/10 1/30-3/50 7/30-3/10 1/30-21/10 1/30-3/70