Add 20/18 and 80/75
1st number: 1 2/18, 2nd number: 1 5/75
20/18 + 80/75 is 98/45.
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,
20/18 = 20 × 25/18 × 25 = 500/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
80/75 = 80 × 6/75 × 6 = 480/450 - Add the two like fractions:
500/450 + 480/450 = 500 + 480/450 = 980/450 - 980/450 simplified gives 98/45
- So, 20/18 + 80/75 = 98/45
In mixed form: 28/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+80/75 20/36+80/75 60/18+80/75 20/54+80/75 20/90+80/75