Add 12/9 and 2/72
1st number: 1 3/9, 2nd number: 2/72
12/9 + 2/72 is 49/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
12/9 = 12 × 8/9 × 8 = 96/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Add the two like fractions:
96/72 + 2/72 = 96 + 2/72 = 98/72 - 98/72 simplified gives 49/36
- So, 12/9 + 2/72 = 49/36
In mixed form: 113/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+2/72 12/9+4/72 12/18+2/72 36/9+2/72 12/9+6/72 12/27+2/72 60/9+2/72 12/9+10/72 12/45+2/72 84/9+2/72 12/9+14/72 12/63+2/72