Subtract 30/50 from 20/8
1st number: 2 4/8, 2nd number: 30/50
20/8 - 30/50 is 19/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
20/8 = 20 × 25/8 × 25 = 500/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
30/50 = 30 × 4/50 × 4 = 120/200 - Subtract the two like fractions:
500/200 - 120/200 = 500 - 120/200 = 380/200 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/8-30/50 20/8-60/50 20/16-30/50 60/8-30/50 20/8-90/50 20/24-30/50 20/40-30/50 20/56-30/50