Subtract 35/18 from 50/30
1st number: 1 20/30, 2nd number: 1 17/18
50/30 - 35/18 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,
35/18 = 35 × 5/18 × 5 = 175/90 - Subtract the two like fractions:
150/90 - 175/90 = 150 - 175/90 = -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: 50/30-70/18 50/60-35/18 50/30-35/36 50/90-35/18 50/30-35/54 50/30-35/90