Subtract 3/84 from 15/3
1st number: 5 0/3, 2nd number: 3/84
15/3 - 3/84 is 139/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
15/3 = 15 × 28/3 × 28 = 420/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
3/84 = 3 × 1/84 × 1 = 3/84 - Subtract the two like fractions:
420/84 - 3/84 = 420 - 3/84 = 417/84 - After reducing the fraction, the answer is 139/28
- In mixed form: 427/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/3-3/84 15/3-6/84 15/6-3/84 45/3-3/84 15/3-9/84 15/9-3/84 75/3-3/84 15/3-15/84 15/3-21/84 15/21-3/84