Add 81/27 and 5/7
1st number: 3 0/27, 2nd number: 5/7
81/27 + 5/7 is 26/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
81/27 = 81 × 7/27 × 7 = 567/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
5/7 = 5 × 27/7 × 27 = 135/189 - Add the two like fractions:
567/189 + 135/189 = 567 + 135/189 = 702/189 - 702/189 simplified gives 26/7
- So, 81/27 + 5/7 = 26/7
In mixed form: 35/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/27+10/7 81/54+5/7 81/27+5/14 81/27+15/7 81/27+5/21 81/27+25/7 81/27+5/35 81/27+35/7 81/27+5/49