Subtract 12/20 from 30/5
1st number: 6 0/5, 2nd number: 12/20
30/5 - 12/20 is 27/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
30/5 = 30 × 4/5 × 4 = 120/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
12/20 = 12 × 1/20 × 1 = 12/20 - Subtract the two like fractions:
120/20 - 12/20 = 120 - 12/20 = 108/20 - After reducing the fraction, the answer is 27/5
- In mixed form: 52/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5-12/20 30/5-24/20 30/10-12/20 30/5-12/40 90/5-12/20 30/5-36/20 30/15-12/20 30/5-12/60 30/5-60/20 30/25-12/20 30/5-84/20 30/35-12/20