Subtract 6/72 from 18/14
1st number: 1 4/14, 2nd number: 6/72
18/14 - 6/72 is 101/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
18/14 = 18 × 36/14 × 36 = 648/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504 - Subtract the two like fractions:
648/504 - 42/504 = 648 - 42/504 = 606/504 - After reducing the fraction, the answer is 101/84
- In mixed form: 117/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14-6/72 18/14-12/72 18/28-6/72 54/14-6/72 18/14-18/72 18/42-6/72 90/14-6/72 18/14-30/72 18/70-6/72 18/14-42/72 18/98-6/72