Add 45/75 and 70/30
1st number: 45/75, 2nd number: 2 10/30
45/75 + 70/30 is 44/15.
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,
45/75 = 45 × 2/75 × 2 = 90/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
70/30 = 70 × 5/30 × 5 = 350/150 - Add the two like fractions:
90/150 + 350/150 = 90 + 350/150 = 440/150 - 440/150 simplified gives 44/15
- So, 45/75 + 70/30 = 44/15
In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+70/30 45/75+70/60 45/75+70/90