Subtract 20/28 from 14/9
1st number: 1 5/9, 2nd number: 20/28
14/9 - 20/28 is 53/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
14/9 = 14 × 28/9 × 28 = 392/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Subtract the two like fractions:
392/252 - 180/252 = 392 - 180/252 = 212/252 - After reducing the fraction, the answer is 53/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/9-20/28 14/9-40/28 14/18-20/28 14/9-20/56 42/9-20/28 14/9-60/28 14/27-20/28 14/9-20/84 70/9-20/28 14/45-20/28 98/9-20/28 14/63-20/28