Subtract 8/49 from 6/70
6/70 - 8/49 is -19/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
6/70 = 6 × 7/70 × 7 = 42/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
8/49 = 8 × 10/49 × 10 = 80/490 - Subtract the two like fractions:
42/490 - 80/490 = 42 - 80/490 = -38/490 - After reducing the fraction, the answer is -19/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70-8/49 6/70-16/49 6/70-8/98 18/70-8/49 6/70-24/49 30/70-8/49 6/70-40/49 42/70-8/49 6/70-56/49