Add 5/18 and 8/72
5/18 + 8/72 is 7/18.
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,
5/18 = 5 × 4/18 × 4 = 20/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
8/72 = 8 × 1/72 × 1 = 8/72 - Add the two like fractions:
20/72 + 8/72 = 20 + 8/72 = 28/72 - 28/72 simplified gives 7/18
- So, 5/18 + 8/72 = 7/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+8/72 5/18+16/72 5/36+8/72 15/18+8/72 5/18+24/72 5/54+8/72 25/18+8/72 5/18+40/72 5/90+8/72 35/18+8/72 5/18+56/72