Answers

Subtract 42/63 from 70/15

1^st number: 4 10/15, 2^nd number: 42/63

70/15 - 42/63 is 4/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 15 × 21 = 315,
   70/15 = 70 × 21/15 × 21 = 1470/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   42/63 = 42 × 5/63 × 5 = 210/315
4. Subtract the two like fractions:
   1470/315 - 210/315 = 1470 - 210/315 = 1260/315
5. After reducing the fraction, the answer is 4/1

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