Add 18/5 and 2/84
1st number: 3 3/5, 2nd number: 2/84
18/5 + 2/84 is 761/210.
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,
18/5 = 18 × 84/5 × 84 = 1512/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Add the two like fractions:
1512/420 + 10/420 = 1512 + 10/420 = 1522/420 - 1522/420 simplified gives 761/210
- So, 18/5 + 2/84 = 761/210
In mixed form: 3131/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/5+2/84 18/5+4/84 18/10+2/84 54/5+2/84 18/5+6/84 18/15+2/84 90/5+2/84 18/5+10/84 18/25+2/84 18/5+14/84 18/35+2/84