Add 42/75 and 70/30
1st number: 42/75, 2nd number: 2 10/30
42/75 + 70/30 is 217/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
42/75 = 42 × 2/75 × 2 = 84/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
70/30 = 70 × 5/30 × 5 = 350/150 - Add the two like fractions:
84/150 + 350/150 = 84 + 350/150 = 434/150 - 434/150 simplified gives 217/75
- So, 42/75 + 70/30 = 217/75
In mixed form: 267/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+70/30 42/75+70/60 42/75+70/90