Subtract 3/30 from 6/9
6/9 - 3/30 is 17/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
6/9 = 6 × 10/9 × 10 = 60/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
3/30 = 3 × 3/30 × 3 = 9/90 - Subtract the two like fractions:
60/90 - 9/90 = 60 - 9/90 = 51/90 - After reducing the fraction, the answer is 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/9-3/30 6/9-6/30 6/18-3/30 6/9-3/60 18/9-3/30 6/9-9/30 6/27-3/30 6/9-3/90 30/9-3/30 6/9-15/30 6/45-3/30 42/9-3/30 6/9-21/30 6/63-3/30