Add 5/8 and 40/63
5/8 + 40/63 is 635/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
5/8 = 5 × 63/8 × 63 = 315/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
315/504 + 320/504 = 315 + 320/504 = 635/504 - So, 5/8 + 40/63 = 635/504
In mixed form: 1131/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8+40/63 5/8+80/63 5/16+40/63 15/8+40/63 5/24+40/63 25/8+40/63 5/40+40/63 35/8+40/63 5/56+40/63