Add 45/21 and 3/49
1st number: 2 3/21, 2nd number: 3/49
45/21 + 3/49 is 108/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
45/21 = 45 × 7/21 × 7 = 315/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
3/49 = 3 × 3/49 × 3 = 9/147 - Add the two like fractions:
315/147 + 9/147 = 315 + 9/147 = 324/147 - 324/147 simplified gives 108/49
- So, 45/21 + 3/49 = 108/49
In mixed form: 210/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+3/49 45/21+6/49 45/42+3/49 45/21+3/98 45/21+9/49 45/63+3/49 45/21+15/49 45/21+21/49