Add 6/45 and 45/7
1st number: 6/45, 2nd number: 6 3/7
6/45 + 45/7 is 689/105.
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,
6/45 = 6 × 7/45 × 7 = 42/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
45/7 = 45 × 45/7 × 45 = 2025/315 - Add the two like fractions:
42/315 + 2025/315 = 42 + 2025/315 = 2067/315 - 2067/315 simplified gives 689/105
- So, 6/45 + 45/7 = 689/105
In mixed form: 659/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+45/7 6/45+90/7 6/90+45/7 6/45+45/14 18/45+45/7 6/45+45/21 30/45+45/7 6/45+45/35 42/45+45/7 6/45+45/49