Add 30/2 and 18/8
1st number: 15 0/2, 2nd number: 2 2/8
30/2 + 18/8 is 69/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
30/2 = 30 × 4/2 × 4 = 120/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
18/8 = 18 × 1/8 × 1 = 18/8 - Add the two like fractions:
120/8 + 18/8 = 120 + 18/8 = 138/8 - 138/8 simplified gives 69/4
- So, 30/2 + 18/8 = 69/4
In mixed form: 171/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+18/8 30/2+36/8 30/4+18/8 30/2+18/16 90/2+18/8 30/2+54/8 30/6+18/8 30/2+18/24 30/2+90/8 30/10+18/8 30/2+18/40 30/14+18/8 30/2+18/56