Subtract 14/30 from 98/21
1st number: 4 14/21, 2nd number: 14/30
98/21 - 14/30 is 21/5.
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,
98/21 = 98 × 10/21 × 10 = 980/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Subtract the two like fractions:
980/210 - 98/210 = 980 - 98/210 = 882/210 - After reducing the fraction, the answer is 21/5
- In mixed form: 41/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21-28/30 98/42-14/30 98/21-14/60 98/21-42/30 98/63-14/30 98/21-14/90 98/21-70/30 98/21-98/30