Answers

Subtract 30/63 from 84/45

1^st number: 1 39/45, 2^nd number: 30/63

84/45 - 30/63 is 146/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   84/45 = 84 × 7/45 × 7 = 588/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   30/63 = 30 × 5/63 × 5 = 150/315
4. Subtract the two like fractions:
   588/315 - 150/315 = 588 - 150/315 = 438/315
5. After reducing the fraction, the answer is 146/105
6. In mixed form: 141/105

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