Subtract 28/25 from 8/21
1st number: 8/21, 2nd number: 1 3/25
8/21 - 28/25 is -388/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 25 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
8/21 = 8 × 25/21 × 25 = 200/525 - Likewise, for the 2nd fraction, since 25 × 21 = 525,
28/25 = 28 × 21/25 × 21 = 588/525 - Subtract the two like fractions:
200/525 - 588/525 = 200 - 588/525 = -388/525
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