Add 64/27 and 81/20
1st number: 2 10/27, 2nd number: 4 1/20
64/27 + 81/20 is 3467/540.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
64/27 = 64 × 20/27 × 20 = 1280/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
81/20 = 81 × 27/20 × 27 = 2187/540 - Add the two like fractions:
1280/540 + 2187/540 = 1280 + 2187/540 = 3467/540 - So, 64/27 + 81/20 = 3467/540
In mixed form: 6227/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/54+81/20 64/27+81/40 64/81+81/20 64/27+81/60