Answers

Subtract 63/84 from 98/40

1^st number: 2 18/40, 2^nd number: 63/84

98/40 - 63/84 is 17/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 84 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 40 × 21 = 840,
   98/40 = 98 × 21/40 × 21 = 2058/840
3. Likewise, for the 2nd fraction, since 84 × 10 = 840,
   63/84 = 63 × 10/84 × 10 = 630/840
4. Subtract the two like fractions:
   2058/840 - 630/840 = 2058 - 630/840 = 1428/840
5. After reducing the fraction, the answer is 17/10
6. In mixed form: 17/10

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