Answers

Subtract 7/20 from 4/50

4/50 - 7/20 is -27/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 20 is 100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 100
2. For the 1st fraction, since 50 × 2 = 100,
   4/50 = 4 × 2/50 × 2 = 8/100
3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
   7/20 = 7 × 5/20 × 5 = 35/100
4. Subtract the two like fractions:
   8/100 - 35/100 = 8 - 35/100 = -27/100

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