Subtract 6/49 from 8/20
8/20 - 6/49 is 68/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 49 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
8/20 = 8 × 49/20 × 49 = 392/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
6/49 = 6 × 20/49 × 20 = 120/980 - Subtract the two like fractions:
392/980 - 120/980 = 392 - 120/980 = 272/980 - After reducing the fraction, the answer is 68/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20-6/49 8/20-12/49 8/40-6/49 8/20-6/98 24/20-6/49 8/20-18/49 8/60-6/49 40/20-6/49 8/20-30/49 56/20-6/49 8/20-42/49