Answers

Subtract 25/16 from 70/54

1^st number: 1 16/54, 2^nd number: 1 9/16

70/54 - 25/16 is -115/432.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 16 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 54 × 8 = 432,
   70/54 = 70 × 8/54 × 8 = 560/432
3. Likewise, for the 2nd fraction, since 16 × 27 = 432,
   25/16 = 25 × 27/16 × 27 = 675/432
4. Subtract the two like fractions:
   560/432 - 675/432 = 560 - 675/432 = -115/432

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