Add 12/9 and 72/49
1st number: 1 3/9, 2nd number: 1 23/49
12/9 + 72/49 is 412/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
12/9 = 12 × 49/9 × 49 = 588/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
72/49 = 72 × 9/49 × 9 = 648/441 - Add the two like fractions:
588/441 + 648/441 = 588 + 648/441 = 1236/441 - 1236/441 simplified gives 412/147
- So, 12/9 + 72/49 = 412/147
In mixed form: 2118/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9+72/49 12/18+72/49 12/9+72/98 36/9+72/49 12/27+72/49 60/9+72/49 12/45+72/49 84/9+72/49 12/63+72/49