Subtract 70/4 from 40/3
1st number: 13 1/3, 2nd number: 17 2/4
40/3 - 70/4 is -25/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
40/3 = 40 × 4/3 × 4 = 160/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
70/4 = 70 × 3/4 × 3 = 210/12 - Subtract the two like fractions:
160/12 - 210/12 = 160 - 210/12 = -50/12 - After reducing the fraction, the answer is -25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3-70/4 40/6-70/4 40/3-70/8 40/9-70/4 40/3-70/12 40/15-70/4 40/3-70/20 40/21-70/4 40/3-70/28