Subtract 30/20 from 70/6
1st number: 11 4/6, 2nd number: 1 10/20
70/6 - 30/20 is 61/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
70/6 = 70 × 10/6 × 10 = 700/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
30/20 = 30 × 3/20 × 3 = 90/60 - Subtract the two like fractions:
700/60 - 90/60 = 700 - 90/60 = 610/60 - After reducing the fraction, the answer is 61/6
- In mixed form: 101/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6-60/20 70/12-30/20 70/6-30/40 70/6-90/20 70/18-30/20 70/6-30/60 70/30-30/20 70/42-30/20