Answers

Subtract 45/90 from 98/40

1^st number: 2 18/40, 2^nd number: 45/90

98/40 - 45/90 is 39/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   98/40 = 98 × 9/40 × 9 = 882/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   45/90 = 45 × 4/90 × 4 = 180/360
4. Subtract the two like fractions:
   882/360 - 180/360 = 882 - 180/360 = 702/360
5. After reducing the fraction, the answer is 39/20
6. In mixed form: 119/20

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