Add 35/42 and 72/49
1st number: 35/42, 2nd number: 1 23/49
35/42 + 72/49 is 677/294.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
35/42 = 35 × 7/42 × 7 = 245/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
72/49 = 72 × 6/49 × 6 = 432/294 - Add the two like fractions:
245/294 + 432/294 = 245 + 432/294 = 677/294 - So, 35/42 + 72/49 = 677/294
In mixed form: 289/294
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+72/49 35/84+72/49 35/42+72/98