Subtract 40/84 from 7/3
1st number: 2 1/3, 2nd number: 40/84
7/3 - 40/84 is 13/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
7/3 = 7 × 28/3 × 28 = 196/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Subtract the two like fractions:
196/84 - 40/84 = 196 - 40/84 = 156/84 - After reducing the fraction, the answer is 13/7
- In mixed form: 16/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/3-40/84 7/3-80/84 7/6-40/84 21/3-40/84 7/9-40/84 35/3-40/84 7/15-40/84 49/3-40/84 7/21-40/84