Subtract 30/5 from 35/18
1st number: 1 17/18, 2nd number: 6 0/5
35/18 - 30/5 is -73/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
35/18 = 35 × 5/18 × 5 = 175/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
30/5 = 30 × 18/5 × 18 = 540/90 - Subtract the two like fractions:
175/90 - 540/90 = 175 - 540/90 = -365/90 - After reducing the fraction, the answer is -73/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-30/5 35/18-60/5 35/36-30/5 35/18-30/10 35/18-90/5 35/54-30/5 35/18-30/15 35/90-30/5 35/18-30/25 35/18-30/35