Add 56/98 and 24/21
1st number: 56/98, 2nd number: 1 3/21
56/98 + 24/21 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
56/98 = 56 × 3/98 × 3 = 168/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
24/21 = 24 × 14/21 × 14 = 336/294 - Add the two like fractions:
168/294 + 336/294 = 168 + 336/294 = 504/294 - 504/294 simplified gives 12/7
- So, 56/98 + 24/21 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/98+48/21 56/98+24/42 56/98+72/21 56/98+24/63