Subtract 40/30 from 50/18
1st number: 2 14/18, 2nd number: 1 10/30
50/18 - 40/30 is 13/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
50/18 = 50 × 5/18 × 5 = 250/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
40/30 = 40 × 3/30 × 3 = 120/90 - Subtract the two like fractions:
250/90 - 120/90 = 250 - 120/90 = 130/90 - After reducing the fraction, the answer is 13/9
- In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-80/30 50/36-40/30 50/18-40/60 50/54-40/30 50/18-40/90 50/90-40/30