Subtract 4/18 from 60/30
1st number: 2 0/30, 2nd number: 4/18
60/30 - 4/18 is 16/9.
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,
60/30 = 60 × 3/30 × 3 = 180/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Subtract the two like fractions:
180/90 - 20/90 = 180 - 20/90 = 160/90 - After reducing the fraction, the answer is 16/9
- In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/30-8/18 60/30-4/36 60/30-12/18 60/90-4/18 60/30-4/54 60/30-20/18 60/30-4/90 60/30-28/18