Subtract 24/9 from 9/80
1st number: 9/80, 2nd number: 2 6/9
9/80 - 24/9 is -613/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
9/80 = 9 × 9/80 × 9 = 81/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
24/9 = 24 × 80/9 × 80 = 1920/720 - Subtract the two like fractions:
81/720 - 1920/720 = 81 - 1920/720 = -1839/720 - After reducing the fraction, the answer is -613/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80-24/9 9/80-48/9 9/80-24/18 27/80-24/9 9/80-72/9 9/80-24/27 45/80-24/9 9/80-24/45 63/80-24/9 9/80-24/63