Add 18/2 and 8/30
1st number: 9 0/2, 2nd number: 8/30
18/2 + 8/30 is 139/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
18/2 = 18 × 15/2 × 15 = 270/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
8/30 = 8 × 1/30 × 1 = 8/30 - Add the two like fractions:
270/30 + 8/30 = 270 + 8/30 = 278/30 - 278/30 simplified gives 139/15
- So, 18/2 + 8/30 = 139/15
In mixed form: 94/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/2+8/30 18/2+16/30 18/4+8/30 18/2+8/60 54/2+8/30 18/2+24/30 18/6+8/30 18/2+8/90 90/2+8/30 18/2+40/30 18/10+8/30 18/2+56/30 18/14+8/30