Subtract 18/35 from 12/9
1st number: 1 3/9, 2nd number: 18/35
12/9 - 18/35 is 86/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
12/9 = 12 × 35/9 × 35 = 420/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
18/35 = 18 × 9/35 × 9 = 162/315 - Subtract the two like fractions:
420/315 - 162/315 = 420 - 162/315 = 258/315 - After reducing the fraction, the answer is 86/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/9-18/35 12/9-36/35 12/18-18/35 12/9-18/70 36/9-18/35 12/9-54/35 12/27-18/35 60/9-18/35 12/9-90/35 12/45-18/35 84/9-18/35 12/63-18/35