Subtract 4/21 from 12/25
12/25 - 4/21 is 152/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
12/25 = 12 × 21/25 × 21 = 252/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
4/21 = 4 × 25/21 × 25 = 100/525 - Subtract the two like fractions:
252/525 - 100/525 = 252 - 100/525 = 152/525
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