Subtract 70/40 from 5/3
1st number: 1 2/3, 2nd number: 1 30/40
5/3 - 70/40 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
5/3 = 5 × 40/3 × 40 = 200/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Subtract the two like fractions:
200/120 - 210/120 = 200 - 210/120 = -10/120 - After reducing the fraction, the answer is -1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/3-70/40 5/6-70/40 5/3-70/80 15/3-70/40 5/9-70/40 25/3-70/40 5/15-70/40 35/3-70/40 5/21-70/40