Add 98/5 and 15/20
1st number: 19 3/5, 2nd number: 15/20
98/5 + 15/20 is 407/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
98/5 = 98 × 4/5 × 4 = 392/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
15/20 = 15 × 1/20 × 1 = 15/20 - Add the two like fractions:
392/20 + 15/20 = 392 + 15/20 = 407/20 - So, 98/5 + 15/20 = 407/20
In mixed form: 207/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/5+30/20 98/10+15/20 98/5+15/40 98/5+45/20 98/15+15/20 98/5+15/60 98/5+75/20 98/25+15/20 98/35+15/20