Answers

Subtract 49/72 from 40/28

1^st number: 1 12/28, 2^nd number: 49/72

40/28 - 49/72 is 377/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 28 × 18 = 504,
   40/28 = 40 × 18/28 × 18 = 720/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   49/72 = 49 × 7/72 × 7 = 343/504
4. Subtract the two like fractions:
   720/504 - 343/504 = 720 - 343/504 = 377/504

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