Answers

Add 63/7 and 84/40

1^st number: 9 0/7, 2^nd number: 2 4/40

63/7 + 84/40 is 111/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 7 × 40 = 280,
   63/7 = 63 × 40/7 × 40 = 2520/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   84/40 = 84 × 7/40 × 7 = 588/280
4. Add the two like fractions:
   2520/280 + 588/280 = 2520 + 588/280 = 3108/280
5. 3108/280 simplified gives 111/10
6. So, 63/7 + 84/40 = 111/10
   In mixed form: 111/10

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