Add 20/8 and 63/5
1st number: 2 4/8, 2nd number: 12 3/5
20/8 + 63/5 is 151/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
20/8 = 20 × 5/8 × 5 = 100/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
63/5 = 63 × 8/5 × 8 = 504/40 - Add the two like fractions:
100/40 + 504/40 = 100 + 504/40 = 604/40 - 604/40 simplified gives 151/10
- So, 20/8 + 63/5 = 151/10
In mixed form: 151/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8+63/5 20/16+63/5 20/8+63/10 60/8+63/5 20/24+63/5 20/8+63/15 20/40+63/5 20/8+63/25 20/56+63/5 20/8+63/35