Answers

Add 98/40 and 18/63

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

98/40 + 18/63 is 383/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 63 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 40 × 63 = 2520,
   98/40 = 98 × 63/40 × 63 = 6174/2520
3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
   18/63 = 18 × 40/63 × 40 = 720/2520
4. Add the two like fractions:
   6174/2520 + 720/2520 = 6174 + 720/2520 = 6894/2520
5. 6894/2520 simplified gives 383/140
6. So, 98/40 + 18/63 = 383/140
   In mixed form: 2103/140

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