Add 10/42 and 80/5
1st number: 10/42, 2nd number: 16 0/5
10/42 + 80/5 is 341/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
10/42 = 10 × 5/42 × 5 = 50/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
80/5 = 80 × 42/5 × 42 = 3360/210 - Add the two like fractions:
50/210 + 3360/210 = 50 + 3360/210 = 3410/210 - 3410/210 simplified gives 341/21
- So, 10/42 + 80/5 = 341/21
In mixed form: 165/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+80/5 10/84+80/5 10/42+80/10 30/42+80/5 10/42+80/15 50/42+80/5 10/42+80/25 70/42+80/5 10/42+80/35