Subtract 10/42 from 5/12
5/12 - 10/42 is 5/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
10/42 = 10 × 2/42 × 2 = 20/84 - Subtract the two like fractions:
35/84 - 20/84 = 35 - 20/84 = 15/84 - After reducing the fraction, the answer is 5/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12-10/42 5/12-20/42 5/24-10/42 5/12-10/84 15/12-10/42 5/12-30/42 5/36-10/42 25/12-10/42 5/12-50/42 5/60-10/42 35/12-10/42 5/12-70/42 5/84-10/42