Subtract 42/14 from 15/3
1st number: 5 0/3, 2nd number: 3 0/14
15/3 - 42/14 is 2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
15/3 = 15 × 14/3 × 14 = 210/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
42/14 = 42 × 3/14 × 3 = 126/42 - Subtract the two like fractions:
210/42 - 126/42 = 210 - 126/42 = 84/42 - After reducing the fraction, the answer is 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3-42/14 15/3-84/14 15/6-42/14 15/3-42/28 45/3-42/14 15/9-42/14 75/3-42/14 15/3-42/70 15/21-42/14 15/3-42/98