Add 5/14 and 54/72
5/14 + 54/72 is 31/28.
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,
5/14 = 5 × 36/14 × 36 = 180/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
54/72 = 54 × 7/72 × 7 = 378/504 - Add the two like fractions:
180/504 + 378/504 = 180 + 378/504 = 558/504 - 558/504 simplified gives 31/28
- So, 5/14 + 54/72 = 31/28
In mixed form: 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/14+54/72 5/28+54/72 15/14+54/72 5/42+54/72 25/14+54/72 5/70+54/72 35/14+54/72 5/98+54/72