Add 27/12 and 72/63
1st number: 2 3/12, 2nd number: 1 9/63
27/12 + 72/63 is 95/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 12 × 21 = 252,
27/12 = 27 × 21/12 × 21 = 567/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
72/63 = 72 × 4/63 × 4 = 288/252 - Add the two like fractions:
567/252 + 288/252 = 567 + 288/252 = 855/252 - 855/252 simplified gives 95/28
- So, 27/12 + 72/63 = 95/28
In mixed form: 311/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+72/63 27/24+72/63 81/12+72/63 27/36+72/63 27/60+72/63 27/84+72/63