Add 40/63 and 20/8
1st number: 40/63, 2nd number: 2 4/8
40/63 + 20/8 is 395/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
40/63 = 40 × 8/63 × 8 = 320/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
20/8 = 20 × 63/8 × 63 = 1260/504 - Add the two like fractions:
320/504 + 1260/504 = 320 + 1260/504 = 1580/504 - 1580/504 simplified gives 395/126
- So, 40/63 + 20/8 = 395/126
In mixed form: 317/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+20/8 40/63+40/8 40/63+20/16 40/63+60/8 40/63+20/24 40/63+20/40 40/63+20/56