Subtract 30/12 from 63/20
1st number: 3 3/20, 2nd number: 2 6/12
63/20 - 30/12 is 13/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
63/20 = 63 × 3/20 × 3 = 189/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
30/12 = 30 × 5/12 × 5 = 150/60 - Subtract the two like fractions:
189/60 - 150/60 = 189 - 150/60 = 39/60 - After reducing the fraction, the answer is 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20-60/12 63/40-30/12 63/20-30/24 63/20-90/12 63/60-30/12 63/20-30/36 63/20-30/60 63/20-30/84