Subtract 6/8 from 70/20
1st number: 3 10/20, 2nd number: 6/8
70/20 - 6/8 is 11/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
70/20 = 70 × 2/20 × 2 = 140/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Subtract the two like fractions:
140/40 - 30/40 = 140 - 30/40 = 110/40 - After reducing the fraction, the answer is 11/4
- In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/20-12/8 70/40-6/8 70/20-6/16 70/20-18/8 70/60-6/8 70/20-6/24 70/20-30/8 70/20-6/40 70/20-42/8 70/20-6/56