Subtract 9/84 from 72/14
1st number: 5 2/14, 2nd number: 9/84
72/14 - 9/84 is 141/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
72/14 = 72 × 6/14 × 6 = 432/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84 - Subtract the two like fractions:
432/84 - 9/84 = 432 - 9/84 = 423/84 - After reducing the fraction, the answer is 141/28
- In mixed form: 51/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14-18/84 72/28-9/84 72/14-27/84 72/42-9/84 72/14-45/84 72/70-9/84 72/14-63/84 72/98-9/84