Add 72/6 and 40/20
1st number: 12 0/6, 2nd number: 2 0/20
72/6 + 40/20 is 14/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 6 × 10 = 60,
72/6 = 72 × 10/6 × 10 = 720/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Add the two like fractions:
720/60 + 120/60 = 720 + 120/60 = 840/60 - 840/60 simplified gives 14/1
- So, 72/6 + 40/20 = 14/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/6+80/20 72/12+40/20 72/18+40/20 72/6+40/60 72/30+40/20 72/42+40/20