Add 50/42 and 80/5
1st number: 1 8/42, 2nd number: 16 0/5
50/42 + 80/5 is 361/21.
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,
50/42 = 50 × 5/42 × 5 = 250/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
80/5 = 80 × 42/5 × 42 = 3360/210 - Add the two like fractions:
250/210 + 3360/210 = 250 + 3360/210 = 3610/210 - 3610/210 simplified gives 361/21
- So, 50/42 + 80/5 = 361/21
In mixed form: 174/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+80/5 50/42+80/10 50/42+80/15 50/42+80/25 50/42+80/35