Subtract 10/80 from 1/49
1/49 - 10/80 is -41/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920
Next, find the equivalent fraction of both fractional numbers with denominator 3920 - For the 1st fraction, since 49 × 80 = 3920,
1/49 = 1 × 80/49 × 80 = 80/3920 - Likewise, for the 2nd fraction, since 80 × 49 = 3920,
10/80 = 10 × 49/80 × 49 = 490/3920 - Subtract the two like fractions:
80/3920 - 490/3920 = 80 - 490/3920 = -410/3920 - After reducing the fraction, the answer is -41/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/49-10/80 1/49-20/80 1/98-10/80 3/49-10/80 1/49-30/80 5/49-10/80 1/49-50/80 7/49-10/80 1/49-70/80