Answers

Subtract 8/4 from 42/45

1^st number: 42/45, 2^nd number: 2 0/4

42/45 - 8/4 is -16/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   42/45 = 42 × 4/45 × 4 = 168/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   8/4 = 8 × 45/4 × 45 = 360/180
4. Subtract the two like fractions:
   168/180 - 360/180 = 168 - 360/180 = -192/180
5. After reducing the fraction, the answer is -16/15

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