Subtract 8/40 from 70/6
1st number: 11 4/6, 2nd number: 8/40
70/6 - 8/40 is 172/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
70/6 = 70 × 20/6 × 20 = 1400/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120 - Subtract the two like fractions:
1400/120 - 24/120 = 1400 - 24/120 = 1376/120 - After reducing the fraction, the answer is 172/15
- In mixed form: 117/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6-16/40 70/12-8/40 70/6-8/80 70/6-24/40 70/18-8/40 70/30-8/40 70/6-56/40 70/42-8/40