Subtract 20/60 from 18/4
1st number: 4 2/4, 2nd number: 20/60
18/4 - 20/60 is 25/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
18/4 = 18 × 15/4 × 15 = 270/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
20/60 = 20 × 1/60 × 1 = 20/60 - Subtract the two like fractions:
270/60 - 20/60 = 270 - 20/60 = 250/60 - After reducing the fraction, the answer is 25/6
- In mixed form: 41/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4-20/60 18/4-40/60 18/8-20/60 54/4-20/60 18/12-20/60 90/4-20/60 18/20-20/60 18/28-20/60