Add 9/5 and 18/84
1st number: 1 4/5, 2nd number: 18/84
9/5 + 18/84 is 141/70.
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,
9/5 = 9 × 84/5 × 84 = 756/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
18/84 = 18 × 5/84 × 5 = 90/420 - Add the two like fractions:
756/420 + 90/420 = 756 + 90/420 = 846/420 - 846/420 simplified gives 141/70
- So, 9/5 + 18/84 = 141/70
In mixed form: 21/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+18/84 9/5+36/84 9/10+18/84 27/5+18/84 9/5+54/84 9/15+18/84 45/5+18/84 9/5+90/84 9/25+18/84 63/5+18/84 9/35+18/84