Subtract 3/9 from 72/5
1st number: 14 2/5, 2nd number: 3/9
72/5 - 3/9 is 211/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
72/5 = 72 × 9/5 × 9 = 648/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
3/9 = 3 × 5/9 × 5 = 15/45 - Subtract the two like fractions:
648/45 - 15/45 = 648 - 15/45 = 633/45 - After reducing the fraction, the answer is 211/15
- In mixed form: 141/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-6/9 72/10-3/9 72/5-3/18 72/15-3/9 72/5-3/27 72/5-15/9 72/25-3/9 72/5-3/45 72/5-21/9 72/35-3/9 72/5-3/63