Subtract 20/49 from 14/28
14/28 - 20/49 is 9/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
14/28 = 14 × 7/28 × 7 = 98/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
20/49 = 20 × 4/49 × 4 = 80/196 - Subtract the two like fractions:
98/196 - 80/196 = 98 - 80/196 = 18/196 - After reducing the fraction, the answer is 9/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28-40/49 14/56-20/49 14/28-20/98 42/28-20/49 14/28-60/49 14/84-20/49 70/28-20/49 98/28-20/49