Add 42/21 and 75/98
1st number: 2 0/21, 2nd number: 75/98
42/21 + 75/98 is 271/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 21 × 14 = 294,
42/21 = 42 × 14/21 × 14 = 588/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
75/98 = 75 × 3/98 × 3 = 225/294 - Add the two like fractions:
588/294 + 225/294 = 588 + 225/294 = 813/294 - 813/294 simplified gives 271/98
- So, 42/21 + 75/98 = 271/98
In mixed form: 275/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/21+75/98 42/63+75/98