Add 2/45 and 9/7
1st number: 2/45, 2nd number: 1 2/7
2/45 + 9/7 is 419/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
2/45 = 2 × 7/45 × 7 = 14/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
9/7 = 9 × 45/7 × 45 = 405/315 - Add the two like fractions:
14/315 + 405/315 = 14 + 405/315 = 419/315 - So, 2/45 + 9/7 = 419/315
In mixed form: 1104/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+9/7 2/45+18/7 2/90+9/7 2/45+9/14 6/45+9/7 2/45+27/7 2/45+9/21 10/45+9/7 2/45+45/7 2/45+9/35 14/45+9/7 2/45+63/7 2/45+9/49