Add 12/72 and 1/9
12/72 + 1/9 is 5/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
1/9 = 1 × 8/9 × 8 = 8/72 - Add the two like fractions:
12/72 + 8/72 = 12 + 8/72 = 20/72 - 20/72 simplified gives 5/18
- So, 12/72 + 1/9 = 5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/72+1/9 12/72+2/9 12/72+1/18 36/72+1/9 12/72+3/9 12/72+1/27 60/72+1/9 12/72+5/9 12/72+1/45 84/72+1/9 12/72+7/9 12/72+1/63