Answers

Subtract 48/72 from 63/42

1^st number: 1 21/42, 2^nd number: 48/72

63/42 - 48/72 is 5/6.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 42 × 12 = 504,
   63/42 = 63 × 12/42 × 12 = 756/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   48/72 = 48 × 7/72 × 7 = 336/504
4. Subtract the two like fractions:
   756/504 - 336/504 = 756 - 336/504 = 420/504
5. After reducing the fraction, the answer is 5/6

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