Add 42/5 and 98/18
1st number: 8 2/5, 2nd number: 5 8/18
42/5 + 98/18 is 623/45.
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,
98/18 = 98 × 5/18 × 5 = 490/90 - Add the two like fractions:
756/90 + 490/90 = 756 + 490/90 = 1246/90 - 1246/90 simplified gives 623/45
- So, 42/5 + 98/18 = 623/45
In mixed form: 1338/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5+98/18 42/10+98/18 42/5+98/36 42/15+98/18 42/5+98/54 42/25+98/18 42/5+98/90 42/35+98/18