Subtract 28/49 from 12/35
12/35 - 28/49 is -8/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 35 × 7 = 245,
12/35 = 12 × 7/35 × 7 = 84/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
28/49 = 28 × 5/49 × 5 = 140/245 - Subtract the two like fractions:
84/245 - 140/245 = 84 - 140/245 = -56/245 - After reducing the fraction, the answer is -8/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35-28/49 12/35-56/49 12/70-28/49 12/35-28/98 36/35-28/49 12/35-84/49 60/35-28/49 84/35-28/49