Add 42/18 and 7/49
1st number: 2 6/18, 2nd number: 7/49
42/18 + 7/49 is 52/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
42/18 = 42 × 49/18 × 49 = 2058/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
7/49 = 7 × 18/49 × 18 = 126/882 - Add the two like fractions:
2058/882 + 126/882 = 2058 + 126/882 = 2184/882 - 2184/882 simplified gives 52/21
- So, 42/18 + 7/49 = 52/21
In mixed form: 210/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+7/49 42/18+14/49 42/36+7/49 42/18+7/98 42/18+21/49 42/54+7/49 42/18+35/49 42/90+7/49