Add 63/84 and 16/9
1st number: 63/84, 2nd number: 1 7/9
63/84 + 16/9 is 91/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
63/84 = 63 × 3/84 × 3 = 189/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
16/9 = 16 × 28/9 × 28 = 448/252 - Add the two like fractions:
189/252 + 448/252 = 189 + 448/252 = 637/252 - 637/252 simplified gives 91/36
- So, 63/84 + 16/9 = 91/36
In mixed form: 219/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+32/9 63/84+16/18 63/84+48/9 63/84+16/27 63/84+80/9 63/84+16/45 63/84+16/63