Add 30/63 and 20/8
1st number: 30/63, 2nd number: 2 4/8
30/63 + 20/8 is 125/42.
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,
30/63 = 30 × 8/63 × 8 = 240/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
20/8 = 20 × 63/8 × 63 = 1260/504 - Add the two like fractions:
240/504 + 1260/504 = 240 + 1260/504 = 1500/504 - 1500/504 simplified gives 125/42
- So, 30/63 + 20/8 = 125/42
In mixed form: 241/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+20/8 30/63+40/8 30/63+20/16 90/63+20/8 30/63+60/8 30/63+20/24 30/63+20/40 30/63+20/56