Subtract 25/18 from 80/8
1st number: 10 0/8, 2nd number: 1 7/18
80/8 - 25/18 is 155/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
80/8 = 80 × 9/8 × 9 = 720/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
25/18 = 25 × 4/18 × 4 = 100/72 - Subtract the two like fractions:
720/72 - 100/72 = 720 - 100/72 = 620/72 - After reducing the fraction, the answer is 155/18
- In mixed form: 811/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-50/18 80/16-25/18 80/8-25/36 80/8-75/18 80/24-25/18 80/8-25/54 80/40-25/18 80/8-25/90 80/56-25/18