Subtract 30/10 from 5/18
1st number: 5/18, 2nd number: 3 0/10
5/18 - 30/10 is -49/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
5/18 = 5 × 5/18 × 5 = 25/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Subtract the two like fractions:
25/90 - 270/90 = 25 - 270/90 = -245/90 - After reducing the fraction, the answer is -49/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-30/10 5/18-60/10 5/36-30/10 5/18-30/20 15/18-30/10 5/18-90/10 5/54-30/10 25/18-30/10 5/90-30/10 5/18-30/50 35/18-30/10 5/18-30/70