Add 5/18 and 25/72
5/18 + 25/72 is 5/8.
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,
25/72 = 25 × 1/72 × 1 = 25/72 - Add the two like fractions:
20/72 + 25/72 = 20 + 25/72 = 45/72 - 45/72 simplified gives 5/8
- So, 5/18 + 25/72 = 5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+25/72 5/18+50/72 5/36+25/72 15/18+25/72 5/18+75/72 5/54+25/72 25/18+25/72 5/90+25/72 35/18+25/72