Answers

Subtract 90/35 from 54/64

1^st number: 54/64, 2^nd number: 2 20/35

54/64 - 90/35 is -387/224.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 35 is 2240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2240
2. For the 1st fraction, since 64 × 35 = 2240,
   54/64 = 54 × 35/64 × 35 = 1890/2240
3. Likewise, for the 2nd fraction, since 35 × 64 = 2240,
   90/35 = 90 × 64/35 × 64 = 5760/2240
4. Subtract the two like fractions:
   1890/2240 - 5760/2240 = 1890 - 5760/2240 = -3870/2240
5. After reducing the fraction, the answer is -387/224

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