Answers

Subtract 21/48 from 90/18

1^st number: 5 0/18, 2^nd number: 21/48

90/18 - 21/48 is 73/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 48 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 18 × 8 = 144,
   90/18 = 90 × 8/18 × 8 = 720/144
3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
   21/48 = 21 × 3/48 × 3 = 63/144
4. Subtract the two like fractions:
   720/144 - 63/144 = 720 - 63/144 = 657/144
5. After reducing the fraction, the answer is 73/16
6. In mixed form: 49/16

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