Subtract 30/10 from 1/18
1st number: 1/18, 2nd number: 3 0/10
1/18 - 30/10 is -53/18.
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,
1/18 = 1 × 5/18 × 5 = 5/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
30/10 = 30 × 9/10 × 9 = 270/90 - Subtract the two like fractions:
5/90 - 270/90 = 5 - 270/90 = -265/90 - After reducing the fraction, the answer is -53/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/18-30/10 1/18-60/10 1/36-30/10 1/18-30/20 3/18-30/10 1/18-90/10 1/54-30/10 5/18-30/10 1/90-30/10 1/18-30/50 7/18-30/10 1/18-30/70