Subtract 5/7 from 72/5
1st number: 14 2/5, 2nd number: 5/7
72/5 - 5/7 is 479/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
72/5 = 72 × 7/5 × 7 = 504/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
5/7 = 5 × 5/7 × 5 = 25/35 - Subtract the two like fractions:
504/35 - 25/35 = 504 - 25/35 = 479/35 - In mixed form: 1324/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-10/7 72/10-5/7 72/5-5/14 72/5-15/7 72/15-5/7 72/5-5/21 72/5-25/7 72/25-5/7 72/5-5/35 72/5-35/7 72/35-5/7 72/5-5/49