Subtract 4/75 from 21/84
21/84 - 4/75 is 59/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
21/84 = 21 × 25/84 × 25 = 525/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
4/75 = 4 × 28/75 × 28 = 112/2100 - Subtract the two like fractions:
525/2100 - 112/2100 = 525 - 112/2100 = 413/2100 - After reducing the fraction, the answer is 59/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/84-4/75 21/84-8/75 63/84-4/75 21/84-12/75 21/84-20/75 21/84-28/75