Add 1/7 and 9/45
1/7 + 9/45 is 12/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
1/7 = 1 × 45/7 × 45 = 45/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
9/45 = 9 × 7/45 × 7 = 63/315 - Add the two like fractions:
45/315 + 63/315 = 45 + 63/315 = 108/315 - 108/315 simplified gives 12/35
- So, 1/7 + 9/45 = 12/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+9/45 1/7+18/45 1/14+9/45 1/7+9/90 3/7+9/45 1/7+27/45 1/21+9/45 5/7+9/45 1/35+9/45 1/7+63/45 1/49+9/45