Add 45/21 and 6/45
1st number: 2 3/21, 2nd number: 6/45
45/21 + 6/45 is 239/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
45/21 = 45 × 15/21 × 15 = 675/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
6/45 = 6 × 7/45 × 7 = 42/315 - Add the two like fractions:
675/315 + 42/315 = 675 + 42/315 = 717/315 - 717/315 simplified gives 239/105
- So, 45/21 + 6/45 = 239/105
In mixed form: 229/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+6/45 45/21+12/45 45/42+6/45 45/21+6/90 45/21+18/45 45/63+6/45 45/21+30/45 45/21+42/45