Answers

Subtract 36/80 from 90/40

1^st number: 2 10/40, 2^nd number: 36/80

90/40 - 36/80 is 9/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 40 × 2 = 80,
   90/40 = 90 × 2/40 × 2 = 180/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   36/80 = 36 × 1/80 × 1 = 36/80
4. Subtract the two like fractions:
   180/80 - 36/80 = 180 - 36/80 = 144/80
5. After reducing the fraction, the answer is 9/5
6. In mixed form: 14/5

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