Subtract 4/18 from 30/14
1st number: 2 2/14, 2nd number: 4/18
30/14 - 4/18 is 121/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
30/14 = 30 × 9/14 × 9 = 270/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
4/18 = 4 × 7/18 × 7 = 28/126 - Subtract the two like fractions:
270/126 - 28/126 = 270 - 28/126 = 242/126 - After reducing the fraction, the answer is 121/63
- In mixed form: 158/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-4/18 30/14-8/18 30/28-4/18 30/14-4/36 90/14-4/18 30/14-12/18 30/42-4/18 30/14-4/54 30/14-20/18 30/70-4/18 30/14-4/90 30/14-28/18 30/98-4/18