Answers

Subtract 42/63 from 28/15

1^st number: 1 13/15, 2^nd number: 42/63

28/15 - 42/63 is 6/5.

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,
   28/15 = 28 × 21/15 × 21 = 588/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   42/63 = 42 × 5/63 × 5 = 210/315
4. Subtract the two like fractions:
   588/315 - 210/315 = 588 - 210/315 = 378/315
5. After reducing the fraction, the answer is 6/5
6. In mixed form: 11/5

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