Add 64/45 and 9/10
1st number: 1 19/45, 2nd number: 9/10
64/45 + 9/10 is 209/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
64/45 = 64 × 2/45 × 2 = 128/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
9/10 = 9 × 9/10 × 9 = 81/90 - Add the two like fractions:
128/90 + 81/90 = 128 + 81/90 = 209/90 - So, 64/45 + 9/10 = 209/90
In mixed form: 229/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/45+18/10 64/90+9/10 64/45+9/20 64/45+27/10 64/45+9/30 64/45+45/10 64/45+9/50 64/45+63/10 64/45+9/70