Subtract 1/3 from 3/30
3/30 - 1/3 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
3/30 = 3 × 1/30 × 1 = 3/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
1/3 = 1 × 10/3 × 10 = 10/30 - Subtract the two like fractions:
3/30 - 10/30 = 3 - 10/30 = -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-1/3 3/30-2/3 3/60-1/3 3/30-1/6 9/30-1/3 3/90-1/3 3/30-1/9 15/30-1/3 3/30-5/3 3/30-1/15 21/30-1/3 3/30-7/3 3/30-1/21