Answers

Subtract 21/56 from 7/75

7/75 - 21/56 is -169/600.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 56 is 4200
   
   Next, find the equivalent fraction of both fractional numbers with denominator 4200
2. For the 1st fraction, since 75 × 56 = 4200,
   7/75 = 7 × 56/75 × 56 = 392/4200
3. Likewise, for the 2nd fraction, since 56 × 75 = 4200,
   21/56 = 21 × 75/56 × 75 = 1575/4200
4. Subtract the two like fractions:
   392/4200 - 1575/4200 = 392 - 1575/4200 = -1183/4200
5. After reducing the fraction, the answer is -169/600

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