Subtract 12/49 from 14/21
14/21 - 12/49 is 62/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
14/21 = 14 × 7/21 × 7 = 98/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
12/49 = 12 × 3/49 × 3 = 36/147 - Subtract the two like fractions:
98/147 - 36/147 = 98 - 36/147 = 62/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/21-12/49 14/21-24/49 14/42-12/49 14/21-12/98 42/21-12/49 14/21-36/49 14/63-12/49 70/21-12/49 14/21-60/49 98/21-12/49 14/21-84/49