Answers

Subtract 15/54 from 72/49

1^st number: 1 23/49, 2^nd number: 15/54

72/49 - 15/54 is 1051/882.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 54 is 2646
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2646
2. For the 1st fraction, since 49 × 54 = 2646,
   72/49 = 72 × 54/49 × 54 = 3888/2646
3. Likewise, for the 2nd fraction, since 54 × 49 = 2646,
   15/54 = 15 × 49/54 × 49 = 735/2646
4. Subtract the two like fractions:
   3888/2646 - 735/2646 = 3888 - 735/2646 = 3153/2646
5. After reducing the fraction, the answer is 1051/882
6. In mixed form: 1169/882

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