Subtract 28/14 from 42/9
1st number: 4 6/9, 2nd number: 2 0/14
42/9 - 28/14 is 8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
42/9 = 42 × 14/9 × 14 = 588/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
28/14 = 28 × 9/14 × 9 = 252/126 - Subtract the two like fractions:
588/126 - 252/126 = 588 - 252/126 = 336/126 - After reducing the fraction, the answer is 8/3
- In mixed form: 22/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/9-28/14 42/9-56/14 42/18-28/14 42/9-84/14 42/27-28/14 42/9-28/42 42/45-28/14 42/9-28/70 42/63-28/14 42/9-28/98