Answers

Subtract 3/90 from 84/54

1^st number: 1 30/54, 2^nd number: 3/90

84/54 - 3/90 is 137/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 90 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   84/54 = 84 × 5/54 × 5 = 420/270
3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
   3/90 = 3 × 3/90 × 3 = 9/270
4. Subtract the two like fractions:
   420/270 - 9/270 = 420 - 9/270 = 411/270
5. After reducing the fraction, the answer is 137/90
6. In mixed form: 147/90

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