Answers

Subtract 54/40 from 50/84

1^st number: 50/84, 2^nd number: 1 14/40

50/84 - 54/40 is -317/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 84 × 10 = 840,
   50/84 = 50 × 10/84 × 10 = 500/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   54/40 = 54 × 21/40 × 21 = 1134/840
4. Subtract the two like fractions:
   500/840 - 1134/840 = 500 - 1134/840 = -634/840
5. After reducing the fraction, the answer is -317/420

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