Add 8/12 and 4/72
8/12 + 4/72 is 13/18.
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,
8/12 = 8 × 6/12 × 6 = 48/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
4/72 = 4 × 1/72 × 1 = 4/72 - Add the two like fractions:
48/72 + 4/72 = 48 + 4/72 = 52/72 - 52/72 simplified gives 13/18
- So, 8/12 + 4/72 = 13/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/12+4/72 8/12+8/72 8/24+4/72 24/12+4/72 8/12+12/72 8/36+4/72 40/12+4/72 8/12+20/72 8/60+4/72 56/12+4/72 8/12+28/72 8/84+4/72