Add 75/64 and 20/9
1st number: 1 11/64, 2nd number: 2 2/9
75/64 + 20/9 is 1955/576.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
75/64 = 75 × 9/64 × 9 = 675/576 - Likewise, for the 2nd fraction, since 9 × 64 = 576,
20/9 = 20 × 64/9 × 64 = 1280/576 - Add the two like fractions:
675/576 + 1280/576 = 675 + 1280/576 = 1955/576 - So, 75/64 + 20/9 = 1955/576
In mixed form: 3227/576
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/64+40/9 75/64+20/18 75/64+60/9 75/64+20/27 75/64+20/45 75/64+20/63