Subtract 18/4 from 60/20
1st number: 3 0/20, 2nd number: 4 2/4
60/20 - 18/4 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
60/20 = 60 × 1/20 × 1 = 60/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
18/4 = 18 × 5/4 × 5 = 90/20 - Subtract the two like fractions:
60/20 - 90/20 = 60 - 90/20 = -30/20 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-36/4 60/40-18/4 60/20-18/8 60/20-54/4 60/20-18/12 60/20-90/4 60/20-18/20 60/20-18/28