Add 27/42 and 72/49
1st number: 27/42, 2nd number: 1 23/49
27/42 + 72/49 is 207/98.
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,
27/42 = 27 × 7/42 × 7 = 189/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
72/49 = 72 × 6/49 × 6 = 432/294 - Add the two like fractions:
189/294 + 432/294 = 189 + 432/294 = 621/294 - 621/294 simplified gives 207/98
- So, 27/42 + 72/49 = 207/98
In mixed form: 211/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/42+72/49 27/84+72/49 27/42+72/98 81/42+72/49