Subtract 72/4 from 8/14
1st number: 8/14, 2nd number: 18 0/4
8/14 - 72/4 is -122/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
8/14 = 8 × 2/14 × 2 = 16/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
72/4 = 72 × 7/4 × 7 = 504/28 - Subtract the two like fractions:
16/28 - 504/28 = 16 - 504/28 = -488/28 - After reducing the fraction, the answer is -122/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14-72/4 8/28-72/4 8/14-72/8 24/14-72/4 8/42-72/4 8/14-72/12 40/14-72/4 8/70-72/4 8/14-72/20 56/14-72/4 8/98-72/4 8/14-72/28