Add 98/45 and 1/90
1st number: 2 8/45, 2nd number: 1/90
98/45 + 1/90 is 197/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
98/45 = 98 × 2/45 × 2 = 196/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Add the two like fractions:
196/90 + 1/90 = 196 + 1/90 = 197/90 - So, 98/45 + 1/90 = 197/90
In mixed form: 217/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45+2/90 98/90+1/90 98/45+3/90 98/45+5/90 98/45+7/90