Answers

Subtract 35/28 from 56/90

1^st number: 56/90, 2^nd number: 1 7/28

56/90 - 35/28 is -113/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   56/90 = 56 × 14/90 × 14 = 784/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   35/28 = 35 × 45/28 × 45 = 1575/1260
4. Subtract the two like fractions:
   784/1260 - 1575/1260 = 784 - 1575/1260 = -791/1260
5. After reducing the fraction, the answer is -113/180

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