Subtract 4/14 from 21/9
1st number: 2 3/9, 2nd number: 4/14
21/9 - 4/14 is 43/21.
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,
21/9 = 21 × 14/9 × 14 = 294/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
4/14 = 4 × 9/14 × 9 = 36/126 - Subtract the two like fractions:
294/126 - 36/126 = 294 - 36/126 = 258/126 - After reducing the fraction, the answer is 43/21
- In mixed form: 21/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9-4/14 21/9-8/14 21/18-4/14 21/9-4/28 63/9-4/14 21/9-12/14 21/27-4/14 21/9-4/42 21/9-20/14 21/45-4/14 21/9-4/70 21/9-28/14 21/63-4/14 21/9-4/98