Add 54/7 and 6/45
1st number: 7 5/7, 2nd number: 6/45
54/7 + 6/45 is 824/105.
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,
54/7 = 54 × 45/7 × 45 = 2430/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
6/45 = 6 × 7/45 × 7 = 42/315 - Add the two like fractions:
2430/315 + 42/315 = 2430 + 42/315 = 2472/315 - 2472/315 simplified gives 824/105
- So, 54/7 + 6/45 = 824/105
In mixed form: 789/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+12/45 54/14+6/45 54/7+6/90 54/7+18/45 54/21+6/45 54/7+30/45 54/35+6/45 54/7+42/45 54/49+6/45