Add 4/12 and 63/72
4/12 + 63/72 is 29/24.
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,
4/12 = 4 × 6/12 × 6 = 24/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
63/72 = 63 × 1/72 × 1 = 63/72 - Add the two like fractions:
24/72 + 63/72 = 24 + 63/72 = 87/72 - 87/72 simplified gives 29/24
- So, 4/12 + 63/72 = 29/24
In mixed form: 15/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+63/72 4/24+63/72 4/36+63/72 20/12+63/72 4/60+63/72 28/12+63/72 4/84+63/72