Add 80/10 and 2/5
1st number: 8 0/10, 2nd number: 2/5
80/10 + 2/5 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
80/10 = 80 × 1/10 × 1 = 80/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
2/5 = 2 × 2/5 × 2 = 4/10 - Add the two like fractions:
80/10 + 4/10 = 80 + 4/10 = 84/10 - 84/10 simplified gives 42/5
- So, 80/10 + 2/5 = 42/5
In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+4/5 80/20+2/5 80/10+2/10 80/10+6/5 80/30+2/5 80/10+2/15 80/10+10/5 80/50+2/5 80/10+2/25 80/10+14/5 80/70+2/5 80/10+2/35