Answers

Subtract 45/40 from 5/90

1^st number: 5/90, 2^nd number: 1 5/40

5/90 - 45/40 is -77/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   5/90 = 5 × 4/90 × 4 = 20/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   45/40 = 45 × 9/40 × 9 = 405/360
4. Subtract the two like fractions:
   20/360 - 405/360 = 20 - 405/360 = -385/360
5. After reducing the fraction, the answer is -77/72

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