Subtract 6/49 from 4/20
4/20 - 6/49 is 19/245.
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,
4/20 = 4 × 49/20 × 49 = 196/980 - Likewise, for the 2nd fraction, since 49 × 20 = 980,
6/49 = 6 × 20/49 × 20 = 120/980 - Subtract the two like fractions:
196/980 - 120/980 = 196 - 120/980 = 76/980 - 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: 8/20-6/49 4/20-12/49 4/40-6/49 4/20-6/98 12/20-6/49 4/20-18/49 4/60-6/49 4/20-30/49 28/20-6/49 4/20-42/49