Answers

Subtract 12/90 from 80/50

1^st number: 1 30/50, 2^nd number: 12/90

80/50 - 12/90 is 22/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   80/50 = 80 × 9/50 × 9 = 720/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   12/90 = 12 × 5/90 × 5 = 60/450
4. Subtract the two like fractions:
   720/450 - 60/450 = 720 - 60/450 = 660/450
5. After reducing the fraction, the answer is 22/15
6. In mixed form: 17/15

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