Subtract 5/84 from 3/15
3/15 - 5/84 is 59/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
3/15 = 3 × 28/15 × 28 = 84/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Subtract the two like fractions:
84/420 - 25/420 = 84 - 25/420 = 59/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15-5/84 3/15-10/84 3/30-5/84 9/15-5/84 3/15-15/84 3/45-5/84 3/15-25/84 3/75-5/84 21/15-5/84 3/15-35/84