Subtract 24/18 from 24/80
1st number: 24/80, 2nd number: 1 6/18
24/80 - 24/18 is -31/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
24/80 = 24 × 9/80 × 9 = 216/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
24/18 = 24 × 40/18 × 40 = 960/720 - Subtract the two like fractions:
216/720 - 960/720 = 216 - 960/720 = -744/720 - After reducing the fraction, the answer is -31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/80-24/18 24/80-48/18 24/80-24/36 72/80-24/18 24/80-72/18 24/80-24/54 24/80-24/90