Add 32/7 and 27/81, Solve 4 4/7 + 27/81 as a fraction

Add 32/7 and 27/81

1^st number: 4 4/7, 2^nd number: 27/81

32/7 + 27/81 is 103/21.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 81 is 567

Next, find the equivalent fraction of both fractional numbers with denominator 567
For the 1st fraction, since 7 × 81 = 567,
32/7 = 32 × 81/7 × 81 = 2592/567
Likewise, for the 2nd fraction, since 81 × 7 = 567,
27/81 = 27 × 7/81 × 7 = 189/567
Add the two like fractions:
2592/567 + 189/567 = 2592 + 189/567 = 2781/567
2781/567 simplified gives 103/21
So, 32/7 + 27/81 = 103/21
In mixed form: 419/21

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad