Answers

Subtract 20/40 from 7/75

7/75 - 20/40 is -61/150.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 40 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 75 × 8 = 600,
   7/75 = 7 × 8/75 × 8 = 56/600
3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
   20/40 = 20 × 15/40 × 15 = 300/600
4. Subtract the two like fractions:
   56/600 - 300/600 = 56 - 300/600 = -244/600
5. After reducing the fraction, the answer is -61/150

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