Add 12/40 and 40/5
1st number: 12/40, 2nd number: 8 0/5
12/40 + 40/5 is 83/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
40/5 = 40 × 8/5 × 8 = 320/40 - Add the two like fractions:
12/40 + 320/40 = 12 + 320/40 = 332/40 - 332/40 simplified gives 83/10
- So, 12/40 + 40/5 = 83/10
In mixed form: 83/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/40+40/5 12/40+80/5 12/80+40/5 12/40+40/10 36/40+40/5 12/40+40/15 60/40+40/5 12/40+40/25 84/40+40/5 12/40+40/35