Add 6/40 and 5/12
6/40 + 5/12 is 17/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
6/40 = 6 × 3/40 × 3 = 18/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
5/12 = 5 × 10/12 × 10 = 50/120 - Add the two like fractions:
18/120 + 50/120 = 18 + 50/120 = 68/120 - 68/120 simplified gives 17/30
- So, 6/40 + 5/12 = 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/40+5/12 6/40+10/12 6/80+5/12 6/40+5/24 18/40+5/12 6/40+15/12 6/40+5/36 30/40+5/12 6/40+25/12 6/40+5/60 42/40+5/12 6/40+35/12 6/40+5/84