Add 15/18 and 12/35
15/18 + 12/35 is 247/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
15/18 = 15 × 35/18 × 35 = 525/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
12/35 = 12 × 18/35 × 18 = 216/630 - Add the two like fractions:
525/630 + 216/630 = 525 + 216/630 = 741/630 - 741/630 simplified gives 247/210
- So, 15/18 + 12/35 = 247/210
In mixed form: 137/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+12/35 15/18+24/35 15/36+12/35 15/18+12/70 45/18+12/35 15/18+36/35 15/54+12/35 75/18+12/35 15/18+60/35 15/90+12/35 15/18+84/35