Subtract 14/49 from 27/21
1st number: 1 6/21, 2nd number: 14/49
27/21 - 14/49 is 1/1.
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,
27/21 = 27 × 7/21 × 7 = 189/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
14/49 = 14 × 3/49 × 3 = 42/147 - Subtract the two like fractions:
189/147 - 42/147 = 189 - 42/147 = 147/147 - After reducing the fraction, the answer is 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21-14/49 27/21-28/49 27/42-14/49 27/21-14/98 81/21-14/49 27/21-42/49 27/63-14/49 27/21-70/49 27/21-98/49