Answers

Subtract 42/64 from 90/2

1^st number: 45 0/2, 2^nd number: 42/64

90/2 - 42/64 is 1419/32.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 64 is 64
   
   Next, find the equivalent fraction of both fractional numbers with denominator 64
2. For the 1st fraction, since 2 × 32 = 64,
   90/2 = 90 × 32/2 × 32 = 2880/64
3. Likewise, for the 2nd fraction, since 64 × 1 = 64,
   42/64 = 42 × 1/64 × 1 = 42/64
4. Subtract the two like fractions:
   2880/64 - 42/64 = 2880 - 42/64 = 2838/64
5. After reducing the fraction, the answer is 1419/32
6. In mixed form: 4411/32

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