Answers

Subtract 7/30 from 6/40

6/40 - 7/30 is -1/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 30 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 40 × 3 = 120,
   6/40 = 6 × 3/40 × 3 = 18/120
3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
   7/30 = 7 × 4/30 × 4 = 28/120
4. Subtract the two like fractions:
   18/120 - 28/120 = 18 - 28/120 = -10/120
5. After reducing the fraction, the answer is -1/12

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