Answers

Subtract 9/40 from 50/20

1^st number: 2 10/20, 2^nd number: 9/40

50/20 - 9/40 is 91/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 20 × 2 = 40,
   50/20 = 50 × 2/20 × 2 = 100/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   9/40 = 9 × 1/40 × 1 = 9/40
4. Subtract the two like fractions:
   100/40 - 9/40 = 100 - 9/40 = 91/40
5. In mixed form: 211/40

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