Add 30/98 and 84/81
1st number: 30/98, 2nd number: 1 3/81
30/98 + 84/81 is 1777/1323.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 81 is 7938
Next, find the equivalent fraction of both fractional numbers with denominator 7938 - For the 1st fraction, since 98 × 81 = 7938,
30/98 = 30 × 81/98 × 81 = 2430/7938 - Likewise, for the 2nd fraction, since 81 × 98 = 7938,
84/81 = 84 × 98/81 × 98 = 8232/7938 - Add the two like fractions:
2430/7938 + 8232/7938 = 2430 + 8232/7938 = 10662/7938 - 10662/7938 simplified gives 1777/1323
- So, 30/98 + 84/81 = 1777/1323
In mixed form: 1454/1323
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/98+84/81 90/98+84/81