Add 35/21 and 2/45
1st number: 1 14/21, 2nd number: 2/45
35/21 + 2/45 is 77/45.
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,
2/45 = 2 × 7/45 × 7 = 14/315 - Add the two like fractions:
525/315 + 14/315 = 525 + 14/315 = 539/315 - 539/315 simplified gives 77/45
- So, 35/21 + 2/45 = 77/45
In mixed form: 132/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/21+2/45 35/21+4/45 35/42+2/45 35/21+2/90 35/21+6/45 35/63+2/45 35/21+10/45 35/21+14/45