Subtract 30/50 from 63/20
1st number: 3 3/20, 2nd number: 30/50
63/20 - 30/50 is 51/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
63/20 = 63 × 5/20 × 5 = 315/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
30/50 = 30 × 2/50 × 2 = 60/100 - Subtract the two like fractions:
315/100 - 60/100 = 315 - 60/100 = 255/100 - After reducing the fraction, the answer is 51/20
- In mixed form: 211/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20-60/50 63/40-30/50 63/20-90/50 63/60-30/50