Subtract 3/30 from 10/7
1st number: 1 3/7, 2nd number: 3/30
10/7 - 3/30 is 93/70.
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,
10/7 = 10 × 30/7 × 30 = 300/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
3/30 = 3 × 7/30 × 7 = 21/210 - Subtract the two like fractions:
300/210 - 21/210 = 300 - 21/210 = 279/210 - After reducing the fraction, the answer is 93/70
- In mixed form: 123/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/7-3/30 10/7-6/30 10/14-3/30 10/7-3/60 30/7-3/30 10/7-9/30 10/21-3/30 10/7-3/90 50/7-3/30 10/7-15/30 10/35-3/30 70/7-3/30 10/7-21/30 10/49-3/30