Answers

Subtract 15/90 from 84/8

1^st number: 10 4/8, 2^nd number: 15/90

84/8 - 15/90 is 31/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 8 × 45 = 360,
   84/8 = 84 × 45/8 × 45 = 3780/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   15/90 = 15 × 4/90 × 4 = 60/360
4. Subtract the two like fractions:
   3780/360 - 60/360 = 3780 - 60/360 = 3720/360
5. After reducing the fraction, the answer is 31/3
6. In mixed form: 101/3

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