Answers

Subtract 75/45 from 90/14

1^st number: 6 6/14, 2^nd number: 1 30/45

90/14 - 75/45 is 100/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 14 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 14 × 45 = 630,
   90/14 = 90 × 45/14 × 45 = 4050/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   75/45 = 75 × 14/45 × 14 = 1050/630
4. Subtract the two like fractions:
   4050/630 - 1050/630 = 4050 - 1050/630 = 3000/630
5. After reducing the fraction, the answer is 100/21
6. In mixed form: 416/21

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