Add 1/5 and 80/84
1/5 + 80/84 is 121/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
1/5 = 1 × 84/5 × 84 = 84/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
80/84 = 80 × 5/84 × 5 = 400/420 - Add the two like fractions:
84/420 + 400/420 = 84 + 400/420 = 484/420 - 484/420 simplified gives 121/105
- So, 1/5 + 80/84 = 121/105
In mixed form: 116/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/5+80/84 1/10+80/84 3/5+80/84 1/15+80/84 1/25+80/84 7/5+80/84 1/35+80/84