Add 12/72 and 1/14
12/72 + 1/14 is 5/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
1/14 = 1 × 36/14 × 36 = 36/504 - Add the two like fractions:
84/504 + 36/504 = 84 + 36/504 = 120/504 - 120/504 simplified gives 5/21
- So, 12/72 + 1/14 = 5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/72+1/14 12/72+2/14 12/72+1/28 36/72+1/14 12/72+3/14 12/72+1/42 60/72+1/14 12/72+5/14 12/72+1/70 84/72+1/14 12/72+7/14 12/72+1/98