Subtract 12/35 from 15/18
15/18 - 12/35 is 103/210.
Steps for subtracting 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 - Subtract the two like fractions:
525/630 - 216/630 = 525 - 216/630 = 309/630 - After reducing the fraction, the answer is 103/210
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