Answers

Subtract 90/14 from 72/56

1^st number: 1 16/56, 2^nd number: 6 6/14

72/56 - 90/14 is -36/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 14 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 56 × 1 = 56,
   72/56 = 72 × 1/56 × 1 = 72/56
3. Likewise, for the 2nd fraction, since 14 × 4 = 56,
   90/14 = 90 × 4/14 × 4 = 360/56
4. Subtract the two like fractions:
   72/56 - 360/56 = 72 - 360/56 = -288/56
5. After reducing the fraction, the answer is -36/7

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