Subtract 42/3 from 50/18
1st number: 2 14/18, 2nd number: 14 0/3
50/18 - 42/3 is -101/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
50/18 = 50 × 1/18 × 1 = 50/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
42/3 = 42 × 6/3 × 6 = 252/18 - Subtract the two like fractions:
50/18 - 252/18 = 50 - 252/18 = -202/18 - After reducing the fraction, the answer is -101/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-84/3 50/36-42/3 50/18-42/6 50/54-42/3 50/18-42/9 50/90-42/3 50/18-42/15 50/18-42/21