Answers

Subtract 70/56 from 18/20

1^st number: 18/20, 2^nd number: 1 14/56

18/20 - 70/56 is -7/20.

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,
   18/20 = 18 × 14/20 × 14 = 252/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   70/56 = 70 × 5/56 × 5 = 350/280
4. Subtract the two like fractions:
   252/280 - 350/280 = 252 - 350/280 = -98/280
5. After reducing the fraction, the answer is -7/20

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