Subtract 60/21 from 18/4
1st number: 4 2/4, 2nd number: 2 18/21
18/4 - 60/21 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
18/4 = 18 × 21/4 × 21 = 378/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
60/21 = 60 × 4/21 × 4 = 240/84 - Subtract the two like fractions:
378/84 - 240/84 = 378 - 240/84 = 138/84 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/4-60/21 18/8-60/21 18/4-60/42 54/4-60/21 18/12-60/21 18/4-60/63 90/4-60/21 18/20-60/21 18/28-60/21