Answers

Subtract 90/32 from 30/20

1^st number: 1 10/20, 2^nd number: 2 26/32

30/20 - 90/32 is -21/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 32 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 20 × 8 = 160,
   30/20 = 30 × 8/20 × 8 = 240/160
3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
   90/32 = 90 × 5/32 × 5 = 450/160
4. Subtract the two like fractions:
   240/160 - 450/160 = 240 - 450/160 = -210/160
5. After reducing the fraction, the answer is -21/16

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