Subtract 20/49 from 45/10
1st number: 4 5/10, 2nd number: 20/49
45/10 - 20/49 is 401/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
45/10 = 45 × 49/10 × 49 = 2205/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
20/49 = 20 × 10/49 × 10 = 200/490 - Subtract the two like fractions:
2205/490 - 200/490 = 2205 - 200/490 = 2005/490 - After reducing the fraction, the answer is 401/98
- In mixed form: 49/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-20/49 45/10-40/49 45/20-20/49 45/10-20/98 45/10-60/49 45/30-20/49 45/50-20/49 45/70-20/49