Answers

Subtract 98/40 from 84/15

1^st number: 5 9/15, 2^nd number: 2 18/40

84/15 - 98/40 is 63/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   84/15 = 84 × 8/15 × 8 = 672/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   98/40 = 98 × 3/40 × 3 = 294/120
4. Subtract the two like fractions:
   672/120 - 294/120 = 672 - 294/120 = 378/120
5. After reducing the fraction, the answer is 63/20
6. In mixed form: 33/20

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