Answers

Subtract 45/84 from 4/30

4/30 - 45/84 is -169/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   4/30 = 4 × 14/30 × 14 = 56/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   45/84 = 45 × 5/84 × 5 = 225/420
4. Subtract the two like fractions:
   56/420 - 225/420 = 56 - 225/420 = -169/420

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