Add 98/90 and 45/16
1st number: 1 8/90, 2nd number: 2 13/16
98/90 + 45/16 is 2809/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
98/90 = 98 × 8/90 × 8 = 784/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
45/16 = 45 × 45/16 × 45 = 2025/720 - Add the two like fractions:
784/720 + 2025/720 = 784 + 2025/720 = 2809/720 - So, 98/90 + 45/16 = 2809/720
In mixed form: 3649/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+90/16 98/90+45/32 98/90+45/48 98/90+45/80