Subtract 3/9 from 18/4
1st number: 4 2/4, 2nd number: 3/9
18/4 - 3/9 is 25/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
18/4 = 18 × 9/4 × 9 = 162/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
3/9 = 3 × 4/9 × 4 = 12/36 - Subtract the two like fractions:
162/36 - 12/36 = 162 - 12/36 = 150/36 - After reducing the fraction, the answer is 25/6
- In mixed form: 41/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4-3/9 18/4-6/9 18/8-3/9 18/4-3/18 54/4-3/9 18/12-3/9 18/4-3/27 90/4-3/9 18/4-15/9 18/20-3/9 18/4-3/45 18/4-21/9 18/28-3/9 18/4-3/63