Answers

Subtract 21/24 from 30/60

30/60 - 21/24 is -3/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 24 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 60 × 2 = 120,
   30/60 = 30 × 2/60 × 2 = 60/120
3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
   21/24 = 21 × 5/24 × 5 = 105/120
4. Subtract the two like fractions:
   60/120 - 105/120 = 60 - 105/120 = -45/120
5. After reducing the fraction, the answer is -3/8

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