Subtract 4/42 from 10/2
1st number: 5 0/2, 2nd number: 4/42
10/2 - 4/42 is 103/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 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 42 × 1 = 42,
4/42 = 4 × 1/42 × 1 = 4/42 - Subtract the two like fractions:
210/42 - 4/42 = 210 - 4/42 = 206/42 - After reducing the fraction, the answer is 103/21
- In mixed form: 419/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2-4/42 10/2-8/42 10/4-4/42 10/2-4/84 30/2-4/42 10/2-12/42 10/6-4/42 50/2-4/42 10/2-20/42 70/2-4/42 10/2-28/42 10/14-4/42