Answers

Subtract 42/24 from 90/64

1^st number: 1 26/64, 2^nd number: 1 18/24

90/64 - 42/24 is -11/32.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 24 is 192
   
   Next, find the equivalent fraction of both fractional numbers with denominator 192
2. For the 1st fraction, since 64 × 3 = 192,
   90/64 = 90 × 3/64 × 3 = 270/192
3. Likewise, for the 2nd fraction, since 24 × 8 = 192,
   42/24 = 42 × 8/24 × 8 = 336/192
4. Subtract the two like fractions:
   270/192 - 336/192 = 270 - 336/192 = -66/192
5. After reducing the fraction, the answer is -11/32

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