Add 20/18 and 80/84
1st number: 1 2/18, 2nd number: 80/84
20/18 + 80/84 is 130/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
20/18 = 20 × 14/18 × 14 = 280/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
80/84 = 80 × 3/84 × 3 = 240/252 - Add the two like fractions:
280/252 + 240/252 = 280 + 240/252 = 520/252 - 520/252 simplified gives 130/63
- So, 20/18 + 80/84 = 130/63
In mixed form: 24/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/18+80/84 20/36+80/84 60/18+80/84 20/54+80/84 20/90+80/84