Add 84/5 and 80/8
1st number: 16 4/5, 2nd number: 10 0/8
84/5 + 80/8 is 134/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
84/5 = 84 × 8/5 × 8 = 672/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
80/8 = 80 × 5/8 × 5 = 400/40 - Add the two like fractions:
672/40 + 400/40 = 672 + 400/40 = 1072/40 - 1072/40 simplified gives 134/5
- So, 84/5 + 80/8 = 134/5
In mixed form: 264/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+80/8 84/5+80/16 84/15+80/8 84/5+80/24 84/25+80/8 84/5+80/40 84/35+80/8 84/5+80/56