Add 14/18 and 18/72
14/18 + 18/72 is 37/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
14/18 = 14 × 4/18 × 4 = 56/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Add the two like fractions:
56/72 + 18/72 = 56 + 18/72 = 74/72 - 74/72 simplified gives 37/36
- So, 14/18 + 18/72 = 37/36
In mixed form: 11/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/18+18/72 14/18+36/72 14/36+18/72 42/18+18/72 14/18+54/72 14/54+18/72 70/18+18/72 14/18+90/72 14/90+18/72 98/18+18/72