Answers

Subtract 70/72 from 12/4

1^st number: 3 0/4, 2^nd number: 70/72

12/4 - 70/72 is 73/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 4 × 18 = 72,
   12/4 = 12 × 18/4 × 18 = 216/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   70/72 = 70 × 1/72 × 1 = 70/72
4. Subtract the two like fractions:
   216/72 - 70/72 = 216 - 70/72 = 146/72
5. After reducing the fraction, the answer is 73/36
6. In mixed form: 21/36

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