Add 28/42 and 80/5
1st number: 28/42, 2nd number: 16 0/5
28/42 + 80/5 is 50/3.
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,
28/42 = 28 × 5/42 × 5 = 140/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
80/5 = 80 × 42/5 × 42 = 3360/210 - Add the two like fractions:
140/210 + 3360/210 = 140 + 3360/210 = 3500/210 - 3500/210 simplified gives 50/3
- So, 28/42 + 80/5 = 50/3
In mixed form: 162/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+80/5 28/84+80/5 28/42+80/10 84/42+80/5 28/42+80/15 28/42+80/25 28/42+80/35