Add 3/15 and 98/90
1st number: 3/15, 2nd number: 1 8/90
3/15 + 98/90 is 58/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
3/15 = 3 × 6/15 × 6 = 18/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
98/90 = 98 × 1/90 × 1 = 98/90 - Add the two like fractions:
18/90 + 98/90 = 18 + 98/90 = 116/90 - 116/90 simplified gives 58/45
- So, 3/15 + 98/90 = 58/45
In mixed form: 113/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+98/90 3/30+98/90 9/15+98/90 3/45+98/90 3/75+98/90 21/15+98/90