Subtract 30/70 from 35/10
1st number: 3 5/10, 2nd number: 30/70
35/10 - 30/70 is 43/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
35/10 = 35 × 7/10 × 7 = 245/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Subtract the two like fractions:
245/70 - 30/70 = 245 - 30/70 = 215/70 - After reducing the fraction, the answer is 43/14
- In mixed form: 31/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10-30/70 35/10-60/70 35/20-30/70 35/10-90/70 35/30-30/70 35/50-30/70 35/70-30/70