Answers

Add 98/90 and 4/63

1^st number: 1 8/90, 2^nd number: 4/63

98/90 + 4/63 is 121/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   98/90 = 98 × 7/90 × 7 = 686/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   4/63 = 4 × 10/63 × 10 = 40/630
4. Add the two like fractions:
   686/630 + 40/630 = 686 + 40/630 = 726/630
5. 726/630 simplified gives 121/105
6. So, 98/90 + 4/63 = 121/105
   In mixed form: 116/105

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