Subtract 20/49 from 45/5
1st number: 9 0/5, 2nd number: 20/49
45/5 - 20/49 is 421/49.
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,
45/5 = 45 × 49/5 × 49 = 2205/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
20/49 = 20 × 5/49 × 5 = 100/245 - Subtract the two like fractions:
2205/245 - 100/245 = 2205 - 100/245 = 2105/245 - After reducing the fraction, the answer is 421/49
- In mixed form: 829/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-20/49 45/5-40/49 45/10-20/49 45/5-20/98 45/5-60/49 45/15-20/49 45/25-20/49 45/35-20/49