Subtract 49/30 from 35/21
1st number: 1 14/21, 2nd number: 1 19/30
35/21 - 49/30 is 1/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
35/21 = 35 × 10/21 × 10 = 350/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210 - Subtract the two like fractions:
350/210 - 343/210 = 350 - 343/210 = 7/210 - After reducing the fraction, the answer is 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21-49/30 35/21-98/30 35/42-49/30 35/21-49/60 35/63-49/30 35/21-49/90