Subtract 20/30 from 70/6
1st number: 11 4/6, 2nd number: 20/30
70/6 - 20/30 is 11/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
70/6 = 70 × 5/6 × 5 = 350/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Subtract the two like fractions:
350/30 - 20/30 = 350 - 20/30 = 330/30 - After reducing the fraction, the answer is 11/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6-40/30 70/12-20/30 70/6-20/60 70/6-60/30 70/18-20/30 70/6-20/90 70/30-20/30 70/42-20/30