Add 4/8 and 18/15
1st number: 4/8, 2nd number: 1 3/15
4/8 + 18/15 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
4/8 = 4 × 15/8 × 15 = 60/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
18/15 = 18 × 8/15 × 8 = 144/120 - Add the two like fractions:
60/120 + 144/120 = 60 + 144/120 = 204/120 - 204/120 simplified gives 17/10
- So, 4/8 + 18/15 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+36/15 4/16+18/15 4/8+18/30 12/8+18/15 4/8+54/15 4/24+18/15 4/8+18/45 20/8+18/15 4/8+90/15 4/40+18/15 4/8+18/75 28/8+18/15 4/56+18/15