Answers

Subtract 72/56 from 30/20

1^st number: 1 10/20, 2^nd number: 1 16/56

30/20 - 72/56 is 3/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   30/20 = 30 × 14/20 × 14 = 420/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   72/56 = 72 × 5/56 × 5 = 360/280
4. Subtract the two like fractions:
   420/280 - 360/280 = 420 - 360/280 = 60/280
5. After reducing the fraction, the answer is 3/14

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