Subtract 4/9 from 18/4
1st number: 4 2/4, 2nd number: 4/9
18/4 - 4/9 is 73/18.
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,
4/9 = 4 × 4/9 × 4 = 16/36 - Subtract the two like fractions:
162/36 - 16/36 = 162 - 16/36 = 146/36 - After reducing the fraction, the answer is 73/18
- In mixed form: 41/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4-4/9 18/4-8/9 18/8-4/9 18/4-4/18 54/4-4/9 18/4-12/9 18/12-4/9 18/4-4/27 90/4-4/9 18/4-20/9 18/20-4/9 18/4-4/45 18/4-28/9 18/28-4/9 18/4-4/63