Answers

Subtract 7/64 from 70/54

1^st number: 1 16/54, 2^nd number: 7/64

70/54 - 7/64 is 2051/1728.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 64 is 1728
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1728
2. For the 1st fraction, since 54 × 32 = 1728,
   70/54 = 70 × 32/54 × 32 = 2240/1728
3. Likewise, for the 2nd fraction, since 64 × 27 = 1728,
   7/64 = 7 × 27/64 × 27 = 189/1728
4. Subtract the two like fractions:
   2240/1728 - 189/1728 = 2240 - 189/1728 = 2051/1728
5. In mixed form: 1323/1728

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