Add 4/18 and 80/84
4/18 + 80/84 is 74/63.
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,
4/18 = 4 × 14/18 × 14 = 56/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
80/84 = 80 × 3/84 × 3 = 240/252 - Add the two like fractions:
56/252 + 240/252 = 56 + 240/252 = 296/252 - 296/252 simplified gives 74/63
- So, 4/18 + 80/84 = 74/63
In mixed form: 111/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18+80/84 4/36+80/84 12/18+80/84 4/54+80/84 20/18+80/84 4/90+80/84 28/18+80/84