Answers

Subtract 15/30 from 30/40

30/40 - 15/30 is 1/4.

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,
   30/40 = 30 × 3/40 × 3 = 90/120
3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
   15/30 = 15 × 4/30 × 4 = 60/120
4. Subtract the two like fractions:
   90/120 - 60/120 = 90 - 60/120 = 30/120
5. After reducing the fraction, the answer is 1/4

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