Add 18/49 and 84/63
1st number: 18/49, 2nd number: 1 21/63
18/49 + 84/63 is 250/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 49 × 9 = 441,
18/49 = 18 × 9/49 × 9 = 162/441 - Likewise, for the 2nd fraction, since 63 × 7 = 441,
84/63 = 84 × 7/63 × 7 = 588/441 - Add the two like fractions:
162/441 + 588/441 = 162 + 588/441 = 750/441 - 750/441 simplified gives 250/147
- So, 18/49 + 84/63 = 250/147
In mixed form: 1103/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/49+84/63 18/98+84/63 54/49+84/63 90/49+84/63