Add 35/75 and 20/18
1st number: 35/75, 2nd number: 1 2/18
35/75 + 20/18 is 71/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
35/75 = 35 × 6/75 × 6 = 210/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450 - Add the two like fractions:
210/450 + 500/450 = 210 + 500/450 = 710/450 - 710/450 simplified gives 71/45
- So, 35/75 + 20/18 = 71/45
In mixed form: 126/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/75+20/18 35/75+40/18 35/75+20/36 35/75+60/18 35/75+20/54 35/75+20/90