Answers

Subtract 98/72 from 40/84

1^st number: 40/84, 2^nd number: 1 26/72

40/84 - 98/72 is -223/252.

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,
   98/72 = 98 × 7/72 × 7 = 686/504
4. Subtract the two like fractions:
   240/504 - 686/504 = 240 - 686/504 = -446/504
5. After reducing the fraction, the answer is -223/252

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