Subtract 14/42 from 15/4
1st number: 3 3/4, 2nd number: 14/42
15/4 - 14/42 is 41/12.
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,
15/4 = 15 × 21/4 × 21 = 315/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
14/42 = 14 × 2/42 × 2 = 28/84 - Subtract the two like fractions:
315/84 - 28/84 = 315 - 28/84 = 287/84 - After reducing the fraction, the answer is 41/12
- In mixed form: 35/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-14/42 15/4-28/42 15/8-14/42 15/4-14/84 45/4-14/42 15/12-14/42 75/4-14/42 15/4-70/42 15/20-14/42 15/4-98/42 15/28-14/42