Subtract 24/8 from 12/9
1st number: 1 3/9, 2nd number: 3 0/8
12/9 - 24/8 is -5/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
12/9 = 12 × 8/9 × 8 = 96/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
24/8 = 24 × 9/8 × 9 = 216/72 - Subtract the two like fractions:
96/72 - 216/72 = 96 - 216/72 = -120/72 - After reducing the fraction, the answer is -5/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9-24/8 12/9-48/8 12/18-24/8 12/9-24/16 36/9-24/8 12/9-72/8 12/27-24/8 60/9-24/8 12/45-24/8 12/9-24/40 84/9-24/8 12/63-24/8 12/9-24/56