Answers

Subtract 54/50 from 7/20

1^st number: 7/20, 2^nd number: 1 4/50

7/20 - 54/50 is -73/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 50 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 20 × 5 = 100,
   7/20 = 7 × 5/20 × 5 = 35/100
3. Likewise, for the 2nd fraction, since 50 × 2 = 100,
   54/50 = 54 × 2/50 × 2 = 108/100
4. Subtract the two like fractions:
   35/100 - 108/100 = 35 - 108/100 = -73/100

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