Subtract 40/49 from 20/5
1st number: 4 0/5, 2nd number: 40/49
20/5 - 40/49 is 156/49.
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,
20/5 = 20 × 49/5 × 49 = 980/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
40/49 = 40 × 5/49 × 5 = 200/245 - Subtract the two like fractions:
980/245 - 200/245 = 980 - 200/245 = 780/245 - After reducing the fraction, the answer is 156/49
- In mixed form: 39/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-40/49 20/5-80/49 20/10-40/49 20/5-40/98 60/5-40/49 20/15-40/49 20/25-40/49 20/35-40/49