Add 56/21 and 10/49
1st number: 2 14/21, 2nd number: 10/49
56/21 + 10/49 is 422/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
56/21 = 56 × 7/21 × 7 = 392/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
10/49 = 10 × 3/49 × 3 = 30/147 - Add the two like fractions:
392/147 + 30/147 = 392 + 30/147 = 422/147 - So, 56/21 + 10/49 = 422/147
In mixed form: 2128/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21+20/49 56/42+10/49 56/21+10/98 56/21+30/49 56/63+10/49 56/21+50/49 56/21+70/49