Subtract 6/18 from 3/30
3/30 - 6/18 is -7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
3/30 = 3 × 3/30 × 3 = 9/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Subtract the two like fractions:
9/90 - 30/90 = 9 - 30/90 = -21/90 - After reducing the fraction, the answer is -7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30-6/18 3/30-12/18 3/60-6/18 3/30-6/36 9/30-6/18 3/90-6/18 3/30-6/54 15/30-6/18 3/30-30/18 3/30-6/90 21/30-6/18 3/30-42/18