Answers

Subtract 28/40 from 24/63

24/63 - 28/40 is -67/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 40 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 63 × 40 = 2520,
   24/63 = 24 × 40/63 × 40 = 960/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   28/40 = 28 × 63/40 × 63 = 1764/2520
4. Subtract the two like fractions:
   960/2520 - 1764/2520 = 960 - 1764/2520 = -804/2520
5. After reducing the fraction, the answer is -67/210

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