Add 18/28 and 35/12
1st number: 18/28, 2nd number: 2 11/12
18/28 + 35/12 is 299/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
18/28 = 18 × 3/28 × 3 = 54/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
35/12 = 35 × 7/12 × 7 = 245/84 - Add the two like fractions:
54/84 + 245/84 = 54 + 245/84 = 299/84 - So, 18/28 + 35/12 = 299/84
In mixed form: 347/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+35/12 18/28+70/12 18/56+35/12 18/28+35/24 54/28+35/12 18/84+35/12 18/28+35/36 90/28+35/12 18/28+35/60 18/28+35/84