Answers

Subtract 45/25 from 72/56

1^st number: 1 16/56, 2^nd number: 1 20/25

72/56 - 45/25 is -18/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 25 is 1400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1400
2. For the 1st fraction, since 56 × 25 = 1400,
   72/56 = 72 × 25/56 × 25 = 1800/1400
3. Likewise, for the 2nd fraction, since 25 × 56 = 1400,
   45/25 = 45 × 56/25 × 56 = 2520/1400
4. Subtract the two like fractions:
   1800/1400 - 2520/1400 = 1800 - 2520/1400 = -720/1400
5. After reducing the fraction, the answer is -18/35

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