Answers

Subtract 9/90 from 50/63

50/63 - 9/90 is 437/630.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   50/63 = 50 × 10/63 × 10 = 500/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   9/90 = 9 × 7/90 × 7 = 63/630
4. Subtract the two like fractions:
   500/630 - 63/630 = 500 - 63/630 = 437/630

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