Add 6/8 and 4/40
6/8 + 4/40 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 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 40 × 1 = 40,
4/40 = 4 × 1/40 × 1 = 4/40 - Add the two like fractions:
30/40 + 4/40 = 30 + 4/40 = 34/40 - 34/40 simplified gives 17/20
- So, 6/8 + 4/40 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8+4/40 6/8+8/40 6/16+4/40 6/8+4/80 18/8+4/40 6/8+12/40 6/24+4/40 30/8+4/40 6/8+20/40 6/40+4/40 42/8+4/40 6/8+28/40 6/56+4/40