Subtract 15/35 from 20/10
1st number: 2 0/10, 2nd number: 15/35
20/10 - 15/35 is 11/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
20/10 = 20 × 7/10 × 7 = 140/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
15/35 = 15 × 2/35 × 2 = 30/70 - Subtract the two like fractions:
140/70 - 30/70 = 140 - 30/70 = 110/70 - After reducing the fraction, the answer is 11/7
- In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/10-15/35 20/10-30/35 20/10-15/70 60/10-15/35 20/10-45/35 20/30-15/35 20/10-75/35 20/50-15/35 20/70-15/35