Add 12/42 and 24/49
12/42 + 24/49 is 38/49.
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,
24/49 = 24 × 6/49 × 6 = 144/294 - Add the two like fractions:
84/294 + 144/294 = 84 + 144/294 = 228/294 - 228/294 simplified gives 38/49
- So, 12/42 + 24/49 = 38/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+24/49 12/42+48/49 12/84+24/49 12/42+24/98 36/42+24/49 12/42+72/49 60/42+24/49 84/42+24/49