Add 20/8 and 75/63
1st number: 2 4/8, 2nd number: 1 12/63
20/8 + 75/63 is 155/42.
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,
20/8 = 20 × 63/8 × 63 = 1260/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
75/63 = 75 × 8/63 × 8 = 600/504 - Add the two like fractions:
1260/504 + 600/504 = 1260 + 600/504 = 1860/504 - 1860/504 simplified gives 155/42
- So, 20/8 + 75/63 = 155/42
In mixed form: 329/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+75/63 20/16+75/63 60/8+75/63 20/24+75/63 20/40+75/63 20/56+75/63