Add 40/20 and 27/30
1st number: 2 0/20, 2nd number: 27/30
40/20 + 27/30 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
27/30 = 27 × 2/30 × 2 = 54/60 - Add the two like fractions:
120/60 + 54/60 = 120 + 54/60 = 174/60 - 174/60 simplified gives 29/10
- So, 40/20 + 27/30 = 29/10
In mixed form: 29/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+27/30 40/20+54/30 40/20+27/60 40/20+81/30 40/60+27/30 40/20+27/90