Answers

Subtract 15/40 from 98/63

1^st number: 1 35/63, 2^nd number: 15/40

98/63 - 15/40 is 85/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 40 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 63 × 40 = 2520,
   98/63 = 98 × 40/63 × 40 = 3920/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   15/40 = 15 × 63/40 × 63 = 945/2520
4. Subtract the two like fractions:
   3920/2520 - 945/2520 = 3920 - 945/2520 = 2975/2520
5. After reducing the fraction, the answer is 85/72
6. In mixed form: 113/72

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