Subtract 6/90 from 72/5
1st number: 14 2/5, 2nd number: 6/90
72/5 - 6/90 is 43/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
72/5 = 72 × 18/5 × 18 = 1296/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
6/90 = 6 × 1/90 × 1 = 6/90 - Subtract the two like fractions:
1296/90 - 6/90 = 1296 - 6/90 = 1290/90 - After reducing the fraction, the answer is 43/3
- In mixed form: 141/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5-12/90 72/10-6/90 72/5-18/90 72/15-6/90 72/5-30/90 72/25-6/90 72/5-42/90 72/35-6/90