Answers

Add 48/63 and 20/98

48/63 + 20/98 is 142/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 98 is 882
   
   Next, find the equivalent fraction of both fractional numbers with denominator 882
2. For the 1st fraction, since 63 × 14 = 882,
   48/63 = 48 × 14/63 × 14 = 672/882
3. Likewise, for the 2nd fraction, since 98 × 9 = 882,
   20/98 = 20 × 9/98 × 9 = 180/882
4. Add the two like fractions:
   672/882 + 180/882 = 672 + 180/882 = 852/882
5. 852/882 simplified gives 142/147
6. So, 48/63 + 20/98 = 142/147

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