Answers

Subtract 49/63 from 45/84

45/84 - 49/63 is -61/252.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   45/84 = 45 × 3/84 × 3 = 135/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   49/63 = 49 × 4/63 × 4 = 196/252
4. Subtract the two like fractions:
   135/252 - 196/252 = 135 - 196/252 = -61/252

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