Answers

Subtract 90/36 from 84/15

1^st number: 5 9/15, 2^nd number: 2 18/36

84/15 - 90/36 is 31/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 15 × 12 = 180,
   84/15 = 84 × 12/15 × 12 = 1008/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   90/36 = 90 × 5/36 × 5 = 450/180
4. Subtract the two like fractions:
   1008/180 - 450/180 = 1008 - 450/180 = 558/180
5. After reducing the fraction, the answer is 31/10
6. In mixed form: 31/10

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