Answers

Subtract 15/42 from 56/27

1^st number: 2 2/27, 2^nd number: 15/42

56/27 - 15/42 is 649/378.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 42 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 27 × 14 = 378,
   56/27 = 56 × 14/27 × 14 = 784/378
3. Likewise, for the 2nd fraction, since 42 × 9 = 378,
   15/42 = 15 × 9/42 × 9 = 135/378
4. Subtract the two like fractions:
   784/378 - 135/378 = 784 - 135/378 = 649/378
5. In mixed form: 1271/378

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