Subtract 4/30 from 50/20
1st number: 2 10/20, 2nd number: 4/30
50/20 - 4/30 is 71/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
50/20 = 50 × 3/20 × 3 = 150/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
4/30 = 4 × 2/30 × 2 = 8/60 - Subtract the two like fractions:
150/60 - 8/60 = 150 - 8/60 = 142/60 - After reducing the fraction, the answer is 71/30
- In mixed form: 211/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-8/30 50/40-4/30 50/20-4/60 50/20-12/30 50/60-4/30 50/20-4/90 50/20-20/30 50/20-28/30