Answers

Subtract 90/56 from 25/20

1^st number: 1 5/20, 2^nd number: 1 34/56

25/20 - 90/56 is -5/14.

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,
   25/20 = 25 × 14/20 × 14 = 350/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   90/56 = 90 × 5/56 × 5 = 450/280
4. Subtract the two like fractions:
   350/280 - 450/280 = 350 - 450/280 = -100/280
5. After reducing the fraction, the answer is -5/14

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