Answers

Subtract 90/40 from 5/45

1^st number: 5/45, 2^nd number: 2 10/40

5/45 - 90/40 is -77/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 45 × 8 = 360,
   5/45 = 5 × 8/45 × 8 = 40/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   90/40 = 90 × 9/40 × 9 = 810/360
4. Subtract the two like fractions:
   40/360 - 810/360 = 40 - 810/360 = -770/360
5. After reducing the fraction, the answer is -77/36

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