Add 12/9 and 64/30
1st number: 1 3/9, 2nd number: 2 4/30
12/9 + 64/30 is 52/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
12/9 = 12 × 10/9 × 10 = 120/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
64/30 = 64 × 3/30 × 3 = 192/90 - Add the two like fractions:
120/90 + 192/90 = 120 + 192/90 = 312/90 - 312/90 simplified gives 52/15
- So, 12/9 + 64/30 = 52/15
In mixed form: 37/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+64/30 12/18+64/30 12/9+64/60 36/9+64/30 12/27+64/30 12/9+64/90 60/9+64/30 12/45+64/30 84/9+64/30 12/63+64/30