Subtract 56/75 from 10/21
10/21 - 56/75 is -142/525.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 75 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 21 × 25 = 525,
10/21 = 10 × 25/21 × 25 = 250/525 - Likewise, for the 2nd fraction, since 75 × 7 = 525,
56/75 = 56 × 7/75 × 7 = 392/525 - Subtract the two like fractions:
250/525 - 392/525 = 250 - 392/525 = -142/525
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