Add 3/12 and 1/72
3/12 + 1/72 is 19/72.
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,
3/12 = 3 × 6/12 × 6 = 18/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Add the two like fractions:
18/72 + 1/72 = 18 + 1/72 = 19/72 - So, 3/12 + 1/72 = 19/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+1/72 3/12+2/72 3/24+1/72 9/12+1/72 3/12+3/72 3/36+1/72 15/12+1/72 3/12+5/72 3/60+1/72 21/12+1/72 3/12+7/72 3/84+1/72