Add 84/21 and 56/98
1st number: 4 0/21, 2nd number: 56/98
84/21 + 56/98 is 32/7.
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,
84/21 = 84 × 14/21 × 14 = 1176/294 - Likewise, for the 2nd fraction, since 98 × 3 = 294,
56/98 = 56 × 3/98 × 3 = 168/294 - Add the two like fractions:
1176/294 + 168/294 = 1176 + 168/294 = 1344/294 - 1344/294 simplified gives 32/7
- So, 84/21 + 56/98 = 32/7
In mixed form: 44/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+56/98 84/63+56/98