Subtract 32/84 from 30/75
30/75 - 32/84 is 2/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
30/75 = 30 × 28/75 × 28 = 840/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
32/84 = 32 × 25/84 × 25 = 800/2100 - Subtract the two like fractions:
840/2100 - 800/2100 = 840 - 800/2100 = 40/2100 - After reducing the fraction, the answer is 2/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75-32/84 30/75-64/84 90/75-32/84 30/75-96/84