Answers

Subtract 15/50 from 98/90

1^st number: 1 8/90, 2^nd number: 15/50

98/90 - 15/50 is 71/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 50 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 90 × 5 = 450,
   98/90 = 98 × 5/90 × 5 = 490/450
3. Likewise, for the 2nd fraction, since 50 × 9 = 450,
   15/50 = 15 × 9/50 × 9 = 135/450
4. Subtract the two like fractions:
   490/450 - 135/450 = 490 - 135/450 = 355/450
5. After reducing the fraction, the answer is 71/90

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