Add 9/12 and 1/72
9/12 + 1/72 is 55/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
9/12 = 9 × 6/12 × 6 = 54/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Add the two like fractions:
54/72 + 1/72 = 54 + 1/72 = 55/72 - So, 9/12 + 1/72 = 55/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+1/72 9/12+2/72 9/24+1/72 27/12+1/72 9/12+3/72 9/36+1/72 45/12+1/72 9/12+5/72 9/60+1/72 63/12+1/72 9/12+7/72 9/84+1/72