Answers

Subtract 9/80 from 90/60

1^st number: 1 30/60, 2^nd number: 9/80

90/60 - 9/80 is 111/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   90/60 = 90 × 4/60 × 4 = 360/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   9/80 = 9 × 3/80 × 3 = 27/240
4. Subtract the two like fractions:
   360/240 - 27/240 = 360 - 27/240 = 333/240
5. After reducing the fraction, the answer is 111/80
6. In mixed form: 131/80

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