Add 63/72 and 54/12
1st number: 63/72, 2nd number: 4 6/12
63/72 + 54/12 is 43/8.
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,
63/72 = 63 × 1/72 × 1 = 63/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
54/12 = 54 × 6/12 × 6 = 324/72 - Add the two like fractions:
63/72 + 324/72 = 63 + 324/72 = 387/72 - 387/72 simplified gives 43/8
- So, 63/72 + 54/12 = 43/8
In mixed form: 53/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/72+54/24 63/72+54/36 63/72+54/60 63/72+54/84