Subtract 25/18 from 50/30
1st number: 1 20/30, 2nd number: 1 7/18
50/30 - 25/18 is 5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
50/30 = 50 × 3/30 × 3 = 150/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
25/18 = 25 × 5/18 × 5 = 125/90 - Subtract the two like fractions:
150/90 - 125/90 = 150 - 125/90 = 25/90 - After reducing the fraction, the answer is 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30-50/18 50/60-25/18 50/30-25/36 50/30-75/18 50/90-25/18 50/30-25/54 50/30-25/90