Add 35/21 and 12/49
1st number: 1 14/21, 2nd number: 12/49
35/21 + 12/49 is 281/147.
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,
35/21 = 35 × 7/21 × 7 = 245/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
12/49 = 12 × 3/49 × 3 = 36/147 - Add the two like fractions:
245/147 + 36/147 = 245 + 36/147 = 281/147 - So, 35/21 + 12/49 = 281/147
In mixed form: 1134/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+12/49 35/21+24/49 35/42+12/49 35/21+12/98 35/21+36/49 35/63+12/49 35/21+60/49 35/21+84/49