Add 98/5 and 21/42
1st number: 19 3/5, 2nd number: 21/42
98/5 + 21/42 is 201/10.
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,
98/5 = 98 × 42/5 × 42 = 4116/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
21/42 = 21 × 5/42 × 5 = 105/210 - Add the two like fractions:
4116/210 + 105/210 = 4116 + 105/210 = 4221/210 - 4221/210 simplified gives 201/10
- So, 98/5 + 21/42 = 201/10
In mixed form: 201/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/10+21/42 98/5+21/84 98/5+63/42 98/15+21/42 98/25+21/42 98/35+21/42