Add 30/2 and 12/10
1st number: 15 0/2, 2nd number: 1 2/10
30/2 + 12/10 is 81/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
30/2 = 30 × 5/2 × 5 = 150/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
12/10 = 12 × 1/10 × 1 = 12/10 - Add the two like fractions:
150/10 + 12/10 = 150 + 12/10 = 162/10 - 162/10 simplified gives 81/5
- So, 30/2 + 12/10 = 81/5
In mixed form: 161/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+12/10 30/2+24/10 30/4+12/10 30/2+12/20 90/2+12/10 30/2+36/10 30/6+12/10 30/2+12/30 30/2+60/10 30/10+12/10 30/2+12/50 30/2+84/10 30/14+12/10 30/2+12/70