Subtract 5/12 from 12/35
12/35 - 5/12 is -31/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
12/35 = 12 × 12/35 × 12 = 144/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
5/12 = 5 × 35/12 × 35 = 175/420 - Subtract the two like fractions:
144/420 - 175/420 = 144 - 175/420 = -31/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35-5/12 12/35-10/12 12/70-5/12 12/35-5/24 36/35-5/12 12/35-15/12 12/35-5/36 60/35-5/12 12/35-25/12 12/35-5/60 84/35-5/12 12/35-35/12 12/35-5/84