Answers

Subtract 48/84 from 21/50

21/50 - 48/84 is -53/350.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 50 × 42 = 2100,
   21/50 = 21 × 42/50 × 42 = 882/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   48/84 = 48 × 25/84 × 25 = 1200/2100
4. Subtract the two like fractions:
   882/2100 - 1200/2100 = 882 - 1200/2100 = -318/2100
5. After reducing the fraction, the answer is -53/350

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