Answers

Add 10/20 and 98/63

1^st number: 10/20, 2^nd number: 1 35/63

10/20 + 98/63 is 37/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 63 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 20 × 63 = 1260,
   10/20 = 10 × 63/20 × 63 = 630/1260
3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
   98/63 = 98 × 20/63 × 20 = 1960/1260
4. Add the two like fractions:
   630/1260 + 1960/1260 = 630 + 1960/1260 = 2590/1260
5. 2590/1260 simplified gives 37/18
6. So, 10/20 + 98/63 = 37/18
   In mixed form: 21/18

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