Answers

Subtract 27/4 from 14/90

1^st number: 14/90, 2^nd number: 6 3/4

14/90 - 27/4 is -1187/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 4 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   14/90 = 14 × 2/90 × 2 = 28/180
3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
   27/4 = 27 × 45/4 × 45 = 1215/180
4. Subtract the two like fractions:
   28/180 - 1215/180 = 28 - 1215/180 = -1187/180

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