Subtract 10/18 from 30/10
1st number: 3 0/10, 2nd number: 10/18
30/10 - 10/18 is 22/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Subtract the two like fractions:
270/90 - 50/90 = 270 - 50/90 = 220/90 - After reducing the fraction, the answer is 22/9
- In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-10/18 30/10-20/18 30/20-10/18 30/10-10/36 90/10-10/18 30/10-30/18 30/10-10/54 30/10-50/18 30/50-10/18 30/10-10/90 30/10-70/18 30/70-10/18