Answers

Subtract 20/60 from 28/18

1^st number: 1 10/18, 2^nd number: 20/60

28/18 - 20/60 is 11/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 18 × 10 = 180,
   28/18 = 28 × 10/18 × 10 = 280/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   20/60 = 20 × 3/60 × 3 = 60/180
4. Subtract the two like fractions:
   280/180 - 60/180 = 280 - 60/180 = 220/180
5. After reducing the fraction, the answer is 11/9
6. In mixed form: 12/9

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