Subtract 1/56 from 15/84
15/84 - 1/56 is 9/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
15/84 = 15 × 2/84 × 2 = 30/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
1/56 = 1 × 3/56 × 3 = 3/168 - Subtract the two like fractions:
30/168 - 3/168 = 30 - 3/168 = 27/168 - After reducing the fraction, the answer is 9/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/84-1/56 15/84-2/56 45/84-1/56 15/84-3/56 75/84-1/56 15/84-5/56 15/84-7/56