Add 3/18 and 8/72
3/18 + 8/72 is 5/18.
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,
3/18 = 3 × 4/18 × 4 = 12/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
8/72 = 8 × 1/72 × 1 = 8/72 - Add the two like fractions:
12/72 + 8/72 = 12 + 8/72 = 20/72 - 20/72 simplified gives 5/18
- So, 3/18 + 8/72 = 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+8/72 3/18+16/72 3/36+8/72 9/18+8/72 3/18+24/72 3/54+8/72 15/18+8/72 3/18+40/72 3/90+8/72 21/18+8/72 3/18+56/72