Subtract 56/40 from 84/96
1st number: 84/96, 2nd number: 1 16/40
84/96 - 56/40 is -21/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 40 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 96 × 5 = 480,
84/96 = 84 × 5/96 × 5 = 420/480 - Likewise, for the 2nd fraction, since 40 × 12 = 480,
56/40 = 56 × 12/40 × 12 = 672/480 - Subtract the two like fractions:
420/480 - 672/480 = 420 - 672/480 = -252/480 - After reducing the fraction, the answer is -21/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/96-56/80