Subtract 10/30 from 50/7
1st number: 7 1/7, 2nd number: 10/30
50/7 - 10/30 is 143/21.
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,
50/7 = 50 × 30/7 × 30 = 1500/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Subtract the two like fractions:
1500/210 - 70/210 = 1500 - 70/210 = 1430/210 - After reducing the fraction, the answer is 143/21
- In mixed form: 617/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-20/30 50/14-10/30 50/7-10/60 50/21-10/30 50/7-10/90 50/7-50/30 50/35-10/30 50/7-70/30 50/49-10/30