Add 12/20 and 2/40
12/20 + 2/40 is 13/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
12/20 = 12 × 2/20 × 2 = 24/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
2/40 = 2 × 1/40 × 1 = 2/40 - Add the two like fractions:
24/40 + 2/40 = 24 + 2/40 = 26/40 - 26/40 simplified gives 13/20
- So, 12/20 + 2/40 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+2/40 12/20+4/40 12/40+2/40 12/20+2/80 36/20+2/40 12/20+6/40 12/60+2/40 60/20+2/40 12/20+10/40 84/20+2/40 12/20+14/40