Add 70/15 and 80/75
1st number: 4 10/15, 2nd number: 1 5/75
70/15 + 80/75 is 86/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 15 × 5 = 75,
70/15 = 70 × 5/15 × 5 = 350/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
80/75 = 80 × 1/75 × 1 = 80/75 - Add the two like fractions:
350/75 + 80/75 = 350 + 80/75 = 430/75 - 430/75 simplified gives 86/15
- So, 70/15 + 80/75 = 86/15
In mixed form: 511/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+80/75 70/45+80/75 70/75+80/75