Subtract 9/3 from 4/20
1st number: 4/20, 2nd number: 3 0/3
4/20 - 9/3 is -14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
4/20 = 4 × 3/20 × 3 = 12/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
9/3 = 9 × 20/3 × 20 = 180/60 - Subtract the two like fractions:
12/60 - 180/60 = 12 - 180/60 = -168/60 - After reducing the fraction, the answer is -14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20-9/3 4/20-18/3 4/40-9/3 4/20-9/6 12/20-9/3 4/20-27/3 4/60-9/3 4/20-45/3 4/20-9/15 28/20-9/3 4/20-63/3 4/20-9/21