Answers

Subtract 15/90 from 98/72

1^st number: 1 26/72, 2^nd number: 15/90

98/72 - 15/90 is 43/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   98/72 = 98 × 5/72 × 5 = 490/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   15/90 = 15 × 4/90 × 4 = 60/360
4. Subtract the two like fractions:
   490/360 - 60/360 = 490 - 60/360 = 430/360
5. After reducing the fraction, the answer is 43/36
6. In mixed form: 17/36

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