Answers

Subtract 15/45 from 98/80

1^st number: 1 18/80, 2^nd number: 15/45

98/80 - 15/45 is 107/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   98/80 = 98 × 9/80 × 9 = 882/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   15/45 = 15 × 16/45 × 16 = 240/720
4. Subtract the two like fractions:
   882/720 - 240/720 = 882 - 240/720 = 642/720
5. After reducing the fraction, the answer is 107/120

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