Add 84/5 and 14/40
1st number: 16 4/5, 2nd number: 14/40
84/5 + 14/40 is 343/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 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 40 × 1 = 40,
14/40 = 14 × 1/40 × 1 = 14/40 - Add the two like fractions:
672/40 + 14/40 = 672 + 14/40 = 686/40 - 686/40 simplified gives 343/20
- So, 84/5 + 14/40 = 343/20
In mixed form: 173/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+28/40 84/10+14/40 84/5+14/80 84/5+42/40 84/15+14/40 84/5+70/40 84/25+14/40 84/5+98/40 84/35+14/40