Subtract 27/40 from 72/5
1st number: 14 2/5, 2nd number: 27/40
72/5 - 27/40 is 549/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
72/5 = 72 × 8/5 × 8 = 576/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
27/40 = 27 × 1/40 × 1 = 27/40 - Subtract the two like fractions:
576/40 - 27/40 = 576 - 27/40 = 549/40 - In mixed form: 1329/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-54/40 72/10-27/40 72/5-27/80 72/5-81/40 72/15-27/40 72/25-27/40 72/35-27/40