Answers

Subtract 70/7 from 63/45

1^st number: 1 18/45, 2^nd number: 10 0/7

63/45 - 70/7 is -43/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 7 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   63/45 = 63 × 7/45 × 7 = 441/315
3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
   70/7 = 70 × 45/7 × 45 = 3150/315
4. Subtract the two like fractions:
   441/315 - 3150/315 = 441 - 3150/315 = -2709/315
5. After reducing the fraction, the answer is -43/5

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