Subtract 6/18 from 72/14
1st number: 5 2/14, 2nd number: 6/18
72/14 - 6/18 is 101/21.
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,
72/14 = 72 × 9/14 × 9 = 648/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
6/18 = 6 × 7/18 × 7 = 42/126 - Subtract the two like fractions:
648/126 - 42/126 = 648 - 42/126 = 606/126 - After reducing the fraction, the answer is 101/21
- In mixed form: 417/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-12/18 72/28-6/18 72/14-6/36 72/42-6/18 72/14-6/54 72/14-30/18 72/70-6/18 72/14-6/90 72/14-42/18 72/98-6/18