Add 9/2 and 40/63
1st number: 4 1/2, 2nd number: 40/63
9/2 + 40/63 is 647/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
9/2 = 9 × 63/2 × 63 = 567/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
40/63 = 40 × 2/63 × 2 = 80/126 - Add the two like fractions:
567/126 + 80/126 = 567 + 80/126 = 647/126 - So, 9/2 + 40/63 = 647/126
In mixed form: 517/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2+40/63 9/2+80/63 9/4+40/63 27/2+40/63 9/6+40/63 45/2+40/63 9/10+40/63 63/2+40/63 9/14+40/63