Subtract 15/28 from 42/14
1st number: 3 0/14, 2nd number: 15/28
42/14 - 15/28 is 69/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
42/14 = 42 × 2/14 × 2 = 84/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
15/28 = 15 × 1/28 × 1 = 15/28 - Subtract the two like fractions:
84/28 - 15/28 = 84 - 15/28 = 69/28 - In mixed form: 213/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-15/28 42/14-30/28 42/28-15/28 42/14-15/56 42/14-45/28 42/14-15/84 42/14-75/28 42/70-15/28 42/98-15/28