Answers

Subtract 15/45 from 84/7

1^st number: 12 0/7, 2^nd number: 15/45

84/7 - 15/45 is 35/3.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 7 × 45 = 315,
   84/7 = 84 × 45/7 × 45 = 3780/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   15/45 = 15 × 7/45 × 7 = 105/315
4. Subtract the two like fractions:
   3780/315 - 105/315 = 3780 - 105/315 = 3675/315
5. After reducing the fraction, the answer is 35/3
6. In mixed form: 112/3

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