Add 45/9 and 12/16
1st number: 5 0/9, 2nd number: 12/16
45/9 + 12/16 is 23/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
45/9 = 45 × 16/9 × 16 = 720/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
12/16 = 12 × 9/16 × 9 = 108/144 - Add the two like fractions:
720/144 + 108/144 = 720 + 108/144 = 828/144 - 828/144 simplified gives 23/4
- So, 45/9 + 12/16 = 23/4
In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+12/16 45/9+24/16 45/18+12/16 45/9+12/32 45/9+36/16 45/27+12/16 45/9+12/48 45/9+60/16 45/9+12/80 45/9+84/16 45/63+12/16