Subtract 2/30 from 30/7
1st number: 4 2/7, 2nd number: 2/30
30/7 - 2/30 is 443/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
30/7 = 30 × 30/7 × 30 = 900/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
2/30 = 2 × 7/30 × 7 = 14/210 - Subtract the two like fractions:
900/210 - 14/210 = 900 - 14/210 = 886/210 - After reducing the fraction, the answer is 443/105
- In mixed form: 423/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-2/30 30/7-4/30 30/14-2/30 30/7-2/60 90/7-2/30 30/7-6/30 30/21-2/30 30/7-2/90 30/7-10/30 30/35-2/30 30/7-14/30 30/49-2/30