Subtract 80/49 from 10/5
1st number: 2 0/5, 2nd number: 1 31/49
10/5 - 80/49 is 18/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
10/5 = 10 × 49/5 × 49 = 490/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
80/49 = 80 × 5/49 × 5 = 400/245 - Subtract the two like fractions:
490/245 - 400/245 = 490 - 400/245 = 90/245 - After reducing the fraction, the answer is 18/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5-80/49 10/5-80/98 30/5-80/49 10/15-80/49 50/5-80/49 10/25-80/49 70/5-80/49 10/35-80/49