Subtract 40/3 from 25/42
1st number: 25/42, 2nd number: 13 1/3
25/42 - 40/3 is -535/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
25/42 = 25 × 1/42 × 1 = 25/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
40/3 = 40 × 14/3 × 14 = 560/42 - Subtract the two like fractions:
25/42 - 560/42 = 25 - 560/42 = -535/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-40/3 25/42-80/3 25/84-40/3 25/42-40/6 75/42-40/3 25/42-40/9 25/42-40/15 25/42-40/21