Add 6/40 and 30/8
1st number: 6/40, 2nd number: 3 6/8
6/40 + 30/8 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
6/40 = 6 × 1/40 × 1 = 6/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
30/8 = 30 × 5/8 × 5 = 150/40 - Add the two like fractions:
6/40 + 150/40 = 6 + 150/40 = 156/40 - 156/40 simplified gives 39/10
- So, 6/40 + 30/8 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+30/8 6/40+60/8 6/80+30/8 6/40+30/16 18/40+30/8 6/40+90/8 6/40+30/24 30/40+30/8 6/40+30/40 42/40+30/8 6/40+30/56