Subtract 12/24 from 40/9
1st number: 4 4/9, 2nd number: 12/24
40/9 - 12/24 is 71/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
40/9 = 40 × 8/9 × 8 = 320/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
12/24 = 12 × 3/24 × 3 = 36/72 - Subtract the two like fractions:
320/72 - 36/72 = 320 - 36/72 = 284/72 - After reducing the fraction, the answer is 71/18
- In mixed form: 317/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9-12/24 40/18-12/24 40/9-12/48 40/9-36/24 40/27-12/24 40/9-12/72 40/9-60/24 40/45-12/24 40/9-84/24 40/63-12/24