Answers

Subtract 1/90 from 84/24

1^st number: 3 12/24, 2^nd number: 1/90

84/24 - 1/90 is 157/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 24 × 15 = 360,
   84/24 = 84 × 15/24 × 15 = 1260/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   1/90 = 1 × 4/90 × 4 = 4/360
4. Subtract the two like fractions:
   1260/360 - 4/360 = 1260 - 4/360 = 1256/360
5. After reducing the fraction, the answer is 157/45
6. In mixed form: 322/45

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