Subtract 60/20 from 21/2
1st number: 10 1/2, 2nd number: 3 0/20
21/2 - 60/20 is 15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
21/2 = 21 × 10/2 × 10 = 210/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
60/20 = 60 × 1/20 × 1 = 60/20 - Subtract the two like fractions:
210/20 - 60/20 = 210 - 60/20 = 150/20 - After reducing the fraction, the answer is 15/2
- In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2-60/20 21/4-60/20 21/2-60/40 63/2-60/20 21/6-60/20 21/10-60/20 21/14-60/20