Add 6/8 and 45/20
1st number: 6/8, 2nd number: 2 5/20
6/8 + 45/20 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
45/20 = 45 × 2/20 × 2 = 90/40 - Add the two like fractions:
30/40 + 90/40 = 30 + 90/40 = 120/40 - 120/40 simplified gives 3/1
- So, 6/8 + 45/20 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+45/20 6/8+90/20 6/16+45/20 6/8+45/40 18/8+45/20 6/24+45/20 6/8+45/60 30/8+45/20 6/40+45/20 42/8+45/20 6/56+45/20