Add 80/5 and 60/42
1st number: 16 0/5, 2nd number: 1 18/42
80/5 + 60/42 is 122/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
80/5 = 80 × 42/5 × 42 = 3360/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
60/42 = 60 × 5/42 × 5 = 300/210 - Add the two like fractions:
3360/210 + 300/210 = 3360 + 300/210 = 3660/210 - 3660/210 simplified gives 122/7
- So, 80/5 + 60/42 = 122/7
In mixed form: 173/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10+60/42 80/5+60/84 80/15+60/42 80/25+60/42 80/35+60/42