Answers

Subtract 18/96 from 90/20

1^st number: 4 10/20, 2^nd number: 18/96

90/20 - 18/96 is 69/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 96 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 20 × 24 = 480,
   90/20 = 90 × 24/20 × 24 = 2160/480
3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
   18/96 = 18 × 5/96 × 5 = 90/480
4. Subtract the two like fractions:
   2160/480 - 90/480 = 2160 - 90/480 = 2070/480
5. After reducing the fraction, the answer is 69/16
6. In mixed form: 45/16

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