Answers

Subtract 15/84 from 56/54

1^st number: 1 2/54, 2^nd number: 15/84

56/54 - 15/84 is 649/756.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 84 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 54 × 14 = 756,
   56/54 = 56 × 14/54 × 14 = 784/756
3. Likewise, for the 2nd fraction, since 84 × 9 = 756,
   15/84 = 15 × 9/84 × 9 = 135/756
4. Subtract the two like fractions:
   784/756 - 135/756 = 784 - 135/756 = 649/756

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