Subtract 4/10 from 30/7
1st number: 4 2/7, 2nd number: 4/10
30/7 - 4/10 is 136/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
30/7 = 30 × 10/7 × 10 = 300/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
4/10 = 4 × 7/10 × 7 = 28/70 - Subtract the two like fractions:
300/70 - 28/70 = 300 - 28/70 = 272/70 - After reducing the fraction, the answer is 136/35
- In mixed form: 331/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/7-4/10 30/7-8/10 30/14-4/10 30/7-4/20 90/7-4/10 30/7-12/10 30/21-4/10 30/7-4/30 30/7-20/10 30/35-4/10 30/7-4/50 30/7-28/10 30/49-4/10 30/7-4/70