Answers

Subtract 50/63 from 90/45

1^st number: 2 0/45, 2^nd number: 50/63

90/45 - 50/63 is 76/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   90/45 = 90 × 7/45 × 7 = 630/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   50/63 = 50 × 5/63 × 5 = 250/315
4. Subtract the two like fractions:
   630/315 - 250/315 = 630 - 250/315 = 380/315
5. After reducing the fraction, the answer is 76/63
6. In mixed form: 113/63

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