Subtract 12/60 from 30/20
1st number: 1 10/20, 2nd number: 12/60
30/20 - 12/60 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
30/20 = 30 × 3/20 × 3 = 90/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
12/60 = 12 × 1/60 × 1 = 12/60 - Subtract the two like fractions:
90/60 - 12/60 = 90 - 12/60 = 78/60 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-12/60 30/20-24/60 30/40-12/60 90/20-12/60 30/20-36/60 30/60-12/60 30/20-84/60