Answers

Subtract 7/21 from 7/24

7/24 - 7/21 is -1/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   7/24 = 7 × 7/24 × 7 = 49/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   7/21 = 7 × 8/21 × 8 = 56/168
4. Subtract the two like fractions:
   49/168 - 56/168 = 49 - 56/168 = -7/168
5. After reducing the fraction, the answer is -1/24

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