Add 72/2 and 27/7
1st number: 36 0/2, 2nd number: 3 6/7
72/2 + 27/7 is 279/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
72/2 = 72 × 7/2 × 7 = 504/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
27/7 = 27 × 2/7 × 2 = 54/14 - Add the two like fractions:
504/14 + 54/14 = 504 + 54/14 = 558/14 - 558/14 simplified gives 279/7
- So, 72/2 + 27/7 = 279/7
In mixed form: 396/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+54/7 72/4+27/7 72/2+27/14 72/2+81/7 72/6+27/7 72/2+27/21 72/10+27/7 72/2+27/35 72/14+27/7 72/2+27/49