Add 12/72 and 5/12
12/72 + 5/12 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 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 12 × 6 = 72,
5/12 = 5 × 6/12 × 6 = 30/72 - Add the two like fractions:
12/72 + 30/72 = 12 + 30/72 = 42/72 - 42/72 simplified gives 7/12
- So, 12/72 + 5/12 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/72+5/12 12/72+10/12 12/72+5/24 36/72+5/12 12/72+15/12 12/72+5/36 60/72+5/12 12/72+25/12 12/72+5/60 84/72+5/12 12/72+35/12 12/72+5/84