Add 10/42 and 81/98
10/42 + 81/98 is 313/294.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
10/42 = 10 × 7/42 × 7 = 70/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
81/98 = 81 × 3/98 × 3 = 243/294 - Add the two like fractions:
70/294 + 243/294 = 70 + 243/294 = 313/294 - So, 10/42 + 81/98 = 313/294
In mixed form: 119/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+81/98 10/84+81/98 30/42+81/98 50/42+81/98 70/42+81/98