Subtract 25/90 from 42/3
1st number: 14 0/3, 2nd number: 25/90
42/3 - 25/90 is 247/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
42/3 = 42 × 30/3 × 30 = 1260/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Subtract the two like fractions:
1260/90 - 25/90 = 1260 - 25/90 = 1235/90 - After reducing the fraction, the answer is 247/18
- In mixed form: 1313/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3-25/90 42/3-50/90 42/6-25/90 42/3-75/90 42/9-25/90 42/15-25/90 42/21-25/90