Answers

Subtract 27/90 from 56/28

1^st number: 2 0/28, 2^nd number: 27/90

56/28 - 27/90 is 17/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   56/28 = 56 × 45/28 × 45 = 2520/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   27/90 = 27 × 14/90 × 14 = 378/1260
4. Subtract the two like fractions:
   2520/1260 - 378/1260 = 2520 - 378/1260 = 2142/1260
5. After reducing the fraction, the answer is 17/10
6. In mixed form: 17/10

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