Subtract 21/49 from 6/35
6/35 - 21/49 is -9/35.
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,
6/35 = 6 × 7/35 × 7 = 42/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
21/49 = 21 × 5/49 × 5 = 105/245 - Subtract the two like fractions:
42/245 - 105/245 = 42 - 105/245 = -63/245 - After reducing the fraction, the answer is -9/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/35-21/49 6/35-42/49 6/70-21/49 6/35-21/98 18/35-21/49 6/35-63/49 30/35-21/49 42/35-21/49