Answers

Subtract 56/20 from 90/9

1^st number: 10 0/9, 2^nd number: 2 16/20

90/9 - 56/20 is 36/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 9 × 20 = 180,
   90/9 = 90 × 20/9 × 20 = 1800/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   56/20 = 56 × 9/20 × 9 = 504/180
4. Subtract the two like fractions:
   1800/180 - 504/180 = 1800 - 504/180 = 1296/180
5. After reducing the fraction, the answer is 36/5
6. In mixed form: 71/5

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