Add 10/18 and 70/75
10/18 + 70/75 is 67/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
10/18 = 10 × 25/18 × 25 = 250/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
70/75 = 70 × 6/75 × 6 = 420/450 - Add the two like fractions:
250/450 + 420/450 = 250 + 420/450 = 670/450 - 670/450 simplified gives 67/45
- So, 10/18 + 70/75 = 67/45
In mixed form: 122/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18+70/75 10/36+70/75 30/18+70/75 10/54+70/75 50/18+70/75 10/90+70/75 70/18+70/75