Add 42/14 and 80/75
1st number: 3 0/14, 2nd number: 1 5/75
42/14 + 80/75 is 61/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 75 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 14 × 75 = 1050,
42/14 = 42 × 75/14 × 75 = 3150/1050 - Likewise, for the 2nd fraction, since 75 × 14 = 1050,
80/75 = 80 × 14/75 × 14 = 1120/1050 - Add the two like fractions:
3150/1050 + 1120/1050 = 3150 + 1120/1050 = 4270/1050 - 4270/1050 simplified gives 61/15
- So, 42/14 + 80/75 = 61/15
In mixed form: 41/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+80/75 42/28+80/75 42/70+80/75 42/98+80/75