Add 63/8 and 40/80
1st number: 7 7/8, 2nd number: 40/80
63/8 + 40/80 is 67/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
63/8 = 63 × 10/8 × 10 = 630/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
40/80 = 40 × 1/80 × 1 = 40/80 - Add the two like fractions:
630/80 + 40/80 = 630 + 40/80 = 670/80 - 670/80 simplified gives 67/8
- So, 63/8 + 40/80 = 67/8
In mixed form: 83/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16+40/80 63/24+40/80 63/40+40/80 63/56+40/80