Add 90/2 and 81/98
1st number: 45 0/2, 2nd number: 81/98
90/2 + 81/98 is 4491/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 98 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 2 × 49 = 98,
90/2 = 90 × 49/2 × 49 = 4410/98 - Likewise, for the 2nd fraction, since 98 × 1 = 98,
81/98 = 81 × 1/98 × 1 = 81/98 - Add the two like fractions:
4410/98 + 81/98 = 4410 + 81/98 = 4491/98 - So, 90/2 + 81/98 = 4491/98
In mixed form: 4581/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+81/98 90/6+81/98 90/10+81/98 90/14+81/98