Add 80/75 and 25/70
1st number: 1 5/75, 2nd number: 25/70
80/75 + 25/70 is 299/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 70 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
80/75 = 80 × 14/75 × 14 = 1120/1050 - Likewise, for the 2nd fraction, since 70 × 15 = 1050,
25/70 = 25 × 15/70 × 15 = 375/1050 - Add the two like fractions:
1120/1050 + 375/1050 = 1120 + 375/1050 = 1495/1050 - 1495/1050 simplified gives 299/210
- So, 80/75 + 25/70 = 299/210
In mixed form: 189/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75+50/70 80/75+75/70