Subtract 3/6 from 70/40
1st number: 1 30/40, 2nd number: 3/6
70/40 - 3/6 is 5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
3/6 = 3 × 20/6 × 20 = 60/120 - Subtract the two like fractions:
210/120 - 60/120 = 210 - 60/120 = 150/120 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/80-3/6 70/40-3/12 70/40-9/6 70/40-3/18 70/40-15/6 70/40-3/30 70/40-21/6 70/40-3/42