Subtract 15/80 from 70/8
1st number: 8 6/8, 2nd number: 15/80
70/8 - 15/80 is 137/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
70/8 = 70 × 10/8 × 10 = 700/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Subtract the two like fractions:
700/80 - 15/80 = 700 - 15/80 = 685/80 - After reducing the fraction, the answer is 137/16
- In mixed form: 89/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8-30/80 70/16-15/80 70/8-45/80 70/24-15/80 70/8-75/80 70/40-15/80 70/56-15/80