Add 27/14 and 45/72
1st number: 1 13/14, 2nd number: 45/72
27/14 + 45/72 is 143/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 14 × 36 = 504,
27/14 = 27 × 36/14 × 36 = 972/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
45/72 = 45 × 7/72 × 7 = 315/504 - Add the two like fractions:
972/504 + 315/504 = 972 + 315/504 = 1287/504 - 1287/504 simplified gives 143/56
- So, 27/14 + 45/72 = 143/56
In mixed form: 231/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+45/72 27/14+90/72 27/28+45/72 81/14+45/72 27/42+45/72 27/70+45/72 27/98+45/72