Add 27/4 and 12/72
1st number: 6 3/4, 2nd number: 12/72
27/4 + 12/72 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
27/4 = 27 × 18/4 × 18 = 486/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
12/72 = 12 × 1/72 × 1 = 12/72 - Add the two like fractions:
486/72 + 12/72 = 486 + 12/72 = 498/72 - 498/72 simplified gives 83/12
- So, 27/4 + 12/72 = 83/12
In mixed form: 611/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4+12/72 27/4+24/72 27/8+12/72 81/4+12/72 27/4+36/72 27/12+12/72 27/4+60/72 27/20+12/72 27/4+84/72 27/28+12/72