Subtract 4/21 from 2/25
2/25 - 4/21 is -58/525.
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,
2/25 = 2 × 21/25 × 21 = 42/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
4/21 = 4 × 25/21 × 25 = 100/525 - Subtract the two like fractions:
42/525 - 100/525 = 42 - 100/525 = -58/525
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