Add 18/35 and 25/18
1st number: 18/35, 2nd number: 1 7/18
18/35 + 25/18 is 1199/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
18/35 = 18 × 18/35 × 18 = 324/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
25/18 = 25 × 35/18 × 35 = 875/630 - Add the two like fractions:
324/630 + 875/630 = 324 + 875/630 = 1199/630 - So, 18/35 + 25/18 = 1199/630
In mixed form: 1569/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35+25/18 18/35+50/18 18/70+25/18 18/35+25/36 54/35+25/18 18/35+75/18 18/35+25/54 90/35+25/18 18/35+25/90