Add 30/9 and 64/90
1st number: 3 3/9, 2nd number: 64/90
30/9 + 64/90 is 182/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
30/9 = 30 × 10/9 × 10 = 300/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
64/90 = 64 × 1/90 × 1 = 64/90 - Add the two like fractions:
300/90 + 64/90 = 300 + 64/90 = 364/90 - 364/90 simplified gives 182/45
- So, 30/9 + 64/90 = 182/45
In mixed form: 42/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+64/90 30/18+64/90 90/9+64/90 30/27+64/90 30/45+64/90 30/63+64/90