Answers

Subtract 5/90 from 72/50

1^st number: 1 22/50, 2^nd number: 5/90

72/50 - 5/90 is 623/450.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 90 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 50 × 9 = 450,
   72/50 = 72 × 9/50 × 9 = 648/450
3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
   5/90 = 5 × 5/90 × 5 = 25/450
4. Subtract the two like fractions:
   648/450 - 25/450 = 648 - 25/450 = 623/450
5. In mixed form: 1173/450

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