Add 18/36 and 4/7
18/36 + 4/7 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
4/7 = 4 × 36/7 × 36 = 144/252 - Add the two like fractions:
126/252 + 144/252 = 126 + 144/252 = 270/252 - 270/252 simplified gives 15/14
- So, 18/36 + 4/7 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/36+8/7 18/72+4/7 18/36+4/14 54/36+4/7 18/36+12/7 18/36+4/21 90/36+4/7 18/36+20/7 18/36+4/35 18/36+28/7 18/36+4/49