Subtract 24/20 from 7/2
1st number: 3 1/2, 2nd number: 1 4/20
7/2 - 24/20 is 23/10.
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,
7/2 = 7 × 10/2 × 10 = 70/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
24/20 = 24 × 1/20 × 1 = 24/20 - Subtract the two like fractions:
70/20 - 24/20 = 70 - 24/20 = 46/20 - After reducing the fraction, the answer is 23/10
- In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2-24/20 7/2-48/20 7/4-24/20 7/2-24/40 21/2-24/20 7/2-72/20 7/6-24/20 7/2-24/60 35/2-24/20 7/10-24/20 49/2-24/20 7/14-24/20