Subtract 28/70 from 80/15
1st number: 5 5/15, 2nd number: 28/70
80/15 - 28/70 is 74/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
80/15 = 80 × 14/15 × 14 = 1120/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Subtract the two like fractions:
1120/210 - 84/210 = 1120 - 84/210 = 1036/210 - After reducing the fraction, the answer is 74/15
- In mixed form: 414/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-56/70 80/30-28/70 80/15-84/70 80/45-28/70 80/75-28/70