Subtract 4/9 from 80/4
1st number: 20 0/4, 2nd number: 4/9
80/4 - 4/9 is 176/9.
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,
80/4 = 80 × 9/4 × 9 = 720/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
4/9 = 4 × 4/9 × 4 = 16/36 - Subtract the two like fractions:
720/36 - 16/36 = 720 - 16/36 = 704/36 - After reducing the fraction, the answer is 176/9
- In mixed form: 195/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-8/9 80/8-4/9 80/4-4/18 80/4-12/9 80/12-4/9 80/4-4/27 80/4-20/9 80/20-4/9 80/4-4/45 80/4-28/9 80/28-4/9 80/4-4/63