Add 4/12 and 16/9
1st number: 4/12, 2nd number: 1 7/9
4/12 + 16/9 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
4/12 = 4 × 3/12 × 3 = 12/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
16/9 = 16 × 4/9 × 4 = 64/36 - Add the two like fractions:
12/36 + 64/36 = 12 + 64/36 = 76/36 - 76/36 simplified gives 19/9
- So, 4/12 + 16/9 = 19/9
In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+16/9 4/12+32/9 4/24+16/9 4/12+16/18 4/12+48/9 4/36+16/9 4/12+16/27 20/12+16/9 4/12+80/9 4/60+16/9 4/12+16/45 28/12+16/9 4/84+16/9 4/12+16/63