Add 35/21 and 6/45
1st number: 1 14/21, 2nd number: 6/45
35/21 + 6/45 is 9/5.
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,
35/21 = 35 × 15/21 × 15 = 525/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
6/45 = 6 × 7/45 × 7 = 42/315 - Add the two like fractions:
525/315 + 42/315 = 525 + 42/315 = 567/315 - 567/315 simplified gives 9/5
- So, 35/21 + 6/45 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+6/45 35/21+12/45 35/42+6/45 35/21+6/90 35/21+18/45 35/63+6/45 35/21+30/45 35/21+42/45