Add 63/2 and 40/9
1st number: 31 1/2, 2nd number: 4 4/9
63/2 + 40/9 is 647/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
63/2 = 63 × 9/2 × 9 = 567/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
40/9 = 40 × 2/9 × 2 = 80/18 - Add the two like fractions:
567/18 + 80/18 = 567 + 80/18 = 647/18 - So, 63/2 + 40/9 = 647/18
In mixed form: 3517/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2+80/9 63/4+40/9 63/2+40/18 63/6+40/9 63/2+40/27 63/10+40/9 63/2+40/45 63/14+40/9 63/2+40/63