Answers

Subtract 84/40 from 8/72

1^st number: 8/72, 2^nd number: 2 4/40

8/72 - 84/40 is -179/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   8/72 = 8 × 5/72 × 5 = 40/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   84/40 = 84 × 9/40 × 9 = 756/360
4. Subtract the two like fractions:
   40/360 - 756/360 = 40 - 756/360 = -716/360
5. After reducing the fraction, the answer is -179/90

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