Answers

Subtract 54/56 from 72/30

1^st number: 2 12/30, 2^nd number: 54/56

72/30 - 54/56 is 201/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 30 × 28 = 840,
   72/30 = 72 × 28/30 × 28 = 2016/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   54/56 = 54 × 15/56 × 15 = 810/840
4. Subtract the two like fractions:
   2016/840 - 810/840 = 2016 - 810/840 = 1206/840
5. After reducing the fraction, the answer is 201/140
6. In mixed form: 161/140

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