Subtract 54/42 from 10/4
1st number: 2 2/4, 2nd number: 1 12/42
10/4 - 54/42 is 17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
10/4 = 10 × 21/4 × 21 = 210/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
54/42 = 54 × 2/42 × 2 = 108/84 - Subtract the two like fractions:
210/84 - 108/84 = 210 - 108/84 = 102/84 - After reducing the fraction, the answer is 17/14
- In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/4-54/42 10/8-54/42 10/4-54/84 30/4-54/42 10/12-54/42 50/4-54/42 10/20-54/42 70/4-54/42 10/28-54/42