Answers

Subtract 7/72 from 40/84

40/84 - 7/72 is 191/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 84 × 6 = 504,
   40/84 = 40 × 6/84 × 6 = 240/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   7/72 = 7 × 7/72 × 7 = 49/504
4. Subtract the two like fractions:
   240/504 - 49/504 = 240 - 49/504 = 191/504

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