Add 30/2 and 10/20
1st number: 15 0/2, 2nd number: 10/20
30/2 + 10/20 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
30/2 = 30 × 10/2 × 10 = 300/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
10/20 = 10 × 1/20 × 1 = 10/20 - Add the two like fractions:
300/20 + 10/20 = 300 + 10/20 = 310/20 - 310/20 simplified gives 31/2
- So, 30/2 + 10/20 = 31/2
In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+10/20 30/4+10/20 30/2+10/40 90/2+10/20 30/2+30/20 30/6+10/20 30/2+10/60 30/2+50/20 30/10+10/20 30/2+70/20 30/14+10/20