Add 80/75 and 14/42
1st number: 1 5/75, 2nd number: 14/42
80/75 + 14/42 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 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 42 × 25 = 1050,
14/42 = 14 × 25/42 × 25 = 350/1050 - Add the two like fractions:
1120/1050 + 350/1050 = 1120 + 350/1050 = 1470/1050 - 1470/1050 simplified gives 7/5
- So, 80/75 + 14/42 = 7/5
In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/75+28/42 80/75+14/84 80/75+70/42 80/75+98/42