Add 42/5 and 18/70
1st number: 8 2/5, 2nd number: 18/70
42/5 + 18/70 is 303/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
42/5 = 42 × 14/5 × 14 = 588/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Add the two like fractions:
588/70 + 18/70 = 588 + 18/70 = 606/70 - 606/70 simplified gives 303/35
- So, 42/5 + 18/70 = 303/35
In mixed form: 823/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+18/70 42/5+36/70 42/10+18/70 42/5+54/70 42/15+18/70 42/5+90/70 42/25+18/70 42/35+18/70