Add 63/84 and 40/9
1st number: 63/84, 2nd number: 4 4/9
63/84 + 40/9 is 187/36.
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,
40/9 = 40 × 28/9 × 28 = 1120/252 - Add the two like fractions:
189/252 + 1120/252 = 189 + 1120/252 = 1309/252 - 1309/252 simplified gives 187/36
- So, 63/84 + 40/9 = 187/36
In mixed form: 57/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+80/9 63/84+40/18 63/84+40/27 63/84+40/45 63/84+40/63