Add 12/42 and 12/49
12/42 + 12/49 is 26/49.
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,
12/42 = 12 × 7/42 × 7 = 84/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
12/49 = 12 × 6/49 × 6 = 72/294 - Add the two like fractions:
84/294 + 72/294 = 84 + 72/294 = 156/294 - 156/294 simplified gives 26/49
- So, 12/42 + 12/49 = 26/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+12/49 12/42+24/49 12/84+12/49 12/42+12/98 36/42+12/49 12/42+36/49 60/42+12/49 12/42+60/49 84/42+12/49 12/42+84/49