Answers

Subtract 2/6 from 90/20

1^st number: 4 10/20, 2^nd number: 2/6

90/20 - 2/6 is 25/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 6 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   90/20 = 90 × 3/20 × 3 = 270/60
3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
   2/6 = 2 × 10/6 × 10 = 20/60
4. Subtract the two like fractions:
   270/60 - 20/60 = 270 - 20/60 = 250/60
5. After reducing the fraction, the answer is 25/6
6. In mixed form: 41/6

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