Add 63/8 and 8/9
1st number: 7 7/8, 2nd number: 8/9
63/8 + 8/9 is 631/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
63/8 = 63 × 9/8 × 9 = 567/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
8/9 = 8 × 8/9 × 8 = 64/72 - Add the two like fractions:
567/72 + 64/72 = 567 + 64/72 = 631/72 - So, 63/8 + 8/9 = 631/72
In mixed form: 855/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8+16/9 63/16+8/9 63/8+8/18 63/8+24/9 63/24+8/9 63/8+8/27 63/8+40/9 63/40+8/9 63/8+8/45 63/8+56/9 63/56+8/9 63/8+8/63