Add 30/20 and 40/10
1st number: 1 10/20, 2nd number: 4 0/10
30/20 + 40/10 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
40/10 = 40 × 2/10 × 2 = 80/20 - Add the two like fractions:
30/20 + 80/20 = 30 + 80/20 = 110/20 - 110/20 simplified gives 11/2
- So, 30/20 + 40/10 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+40/10 30/20+80/10 30/40+40/10 30/20+40/20 90/20+40/10 30/60+40/10 30/20+40/30 30/20+40/50 30/20+40/70