Subtract 6/72 from 25/18
1st number: 1 7/18, 2nd number: 6/72
25/18 - 6/72 is 47/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
25/18 = 25 × 4/18 × 4 = 100/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Subtract the two like fractions:
100/72 - 6/72 = 100 - 6/72 = 94/72 - After reducing the fraction, the answer is 47/36
- In mixed form: 111/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18-6/72 25/18-12/72 25/36-6/72 75/18-6/72 25/18-18/72 25/54-6/72 25/18-30/72 25/90-6/72 25/18-42/72