Add 30/8 and 40/63
1st number: 3 6/8, 2nd number: 40/63
30/8 + 40/63 is 1105/252.
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,
30/8 = 30 × 63/8 × 63 = 1890/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Add the two like fractions:
1890/504 + 320/504 = 1890 + 320/504 = 2210/504 - 2210/504 simplified gives 1105/252
- So, 30/8 + 40/63 = 1105/252
In mixed form: 497/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+40/63 30/8+80/63 30/16+40/63 90/8+40/63 30/24+40/63 30/40+40/63 30/56+40/63