Subtract 24/80 from 3/9
3/9 - 24/80 is 1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
3/9 = 3 × 80/9 × 80 = 240/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
24/80 = 24 × 9/80 × 9 = 216/720 - Subtract the two like fractions:
240/720 - 216/720 = 240 - 216/720 = 24/720 - After reducing the fraction, the answer is 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/9-24/80 3/9-48/80 3/18-24/80 3/9-72/80 3/27-24/80 15/9-24/80 3/45-24/80 21/9-24/80 3/63-24/80