Answers

Subtract 20/30 from 84/12

1^st number: 7 0/12, 2^nd number: 20/30

84/12 - 20/30 is 19/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   84/12 = 84 × 5/12 × 5 = 420/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   20/30 = 20 × 2/30 × 2 = 40/60
4. Subtract the two like fractions:
   420/60 - 40/60 = 420 - 40/60 = 380/60
5. After reducing the fraction, the answer is 19/3
6. In mixed form: 61/3

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