Add 42/5 and 10/18
1st number: 8 2/5, 2nd number: 10/18
42/5 + 10/18 is 403/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
42/5 = 42 × 18/5 × 18 = 756/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
10/18 = 10 × 5/18 × 5 = 50/90 - Add the two like fractions:
756/90 + 50/90 = 756 + 50/90 = 806/90 - 806/90 simplified gives 403/45
- So, 42/5 + 10/18 = 403/45
In mixed form: 843/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+10/18 42/5+20/18 42/10+10/18 42/5+10/36 42/5+30/18 42/15+10/18 42/5+10/54 42/5+50/18 42/25+10/18 42/5+10/90 42/5+70/18 42/35+10/18