Answers

Subtract 10/90 from 90/28

1^st number: 3 6/28, 2^nd number: 10/90

90/28 - 10/90 is 391/126.

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,
   90/28 = 90 × 45/28 × 45 = 4050/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   10/90 = 10 × 14/90 × 14 = 140/1260
4. Subtract the two like fractions:
   4050/1260 - 140/1260 = 4050 - 140/1260 = 3910/1260
5. After reducing the fraction, the answer is 391/126
6. In mixed form: 313/126

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