Subtract 48/21 from 10/2
1st number: 5 0/2, 2nd number: 2 6/21
10/2 - 48/21 is 19/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
10/2 = 10 × 21/2 × 21 = 210/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
48/21 = 48 × 2/21 × 2 = 96/42 - Subtract the two like fractions:
210/42 - 96/42 = 210 - 96/42 = 114/42 - After reducing the fraction, the answer is 19/7
- In mixed form: 25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-48/21 10/2-96/21 10/4-48/21 10/2-48/42 30/2-48/21 10/6-48/21 10/2-48/63 50/2-48/21 70/2-48/21 10/14-48/21