Answers

Subtract 2/36 from 90/80

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

90/80 - 2/36 is 77/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 36 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   90/80 = 90 × 9/80 × 9 = 810/720
3. Likewise, for the 2nd fraction, since 36 × 20 = 720,
   2/36 = 2 × 20/36 × 20 = 40/720
4. Subtract the two like fractions:
   810/720 - 40/720 = 810 - 40/720 = 770/720
5. After reducing the fraction, the answer is 77/72
6. In mixed form: 15/72

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