Add 54/42 and 36/49
1st number: 1 12/42, 2nd number: 36/49
54/42 + 36/49 is 99/49.
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,
54/42 = 54 × 7/42 × 7 = 378/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
36/49 = 36 × 6/49 × 6 = 216/294 - Add the two like fractions:
378/294 + 216/294 = 378 + 216/294 = 594/294 - 594/294 simplified gives 99/49
- So, 54/42 + 36/49 = 99/49
In mixed form: 21/49
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 54/84+36/49 54/42+36/98