Subtract 35/84 from 21/25
21/25 - 35/84 is 127/300.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 25 × 84 = 2100,
21/25 = 21 × 84/25 × 84 = 1764/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
35/84 = 35 × 25/84 × 25 = 875/2100 - Subtract the two like fractions:
1764/2100 - 875/2100 = 1764 - 875/2100 = 889/2100 - After reducing the fraction, the answer is 127/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25-35/84 21/25-70/84 21/50-35/84 63/25-35/84 21/75-35/84