Subtract 3/9 from 24/30
24/30 - 3/9 is 7/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
24/30 = 24 × 3/30 × 3 = 72/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
3/9 = 3 × 10/9 × 10 = 30/90 - Subtract the two like fractions:
72/90 - 30/90 = 72 - 30/90 = 42/90 - After reducing the fraction, the answer is 7/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/30-3/9 24/30-6/9 24/60-3/9 24/30-3/18 72/30-3/9 24/90-3/9 24/30-3/27 24/30-15/9 24/30-3/45 24/30-21/9 24/30-3/63