Answers

Add 4/90 and 98/63

1^st number: 4/90, 2^nd number: 1 35/63

4/90 + 98/63 is 8/5.

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,
   4/90 = 4 × 7/90 × 7 = 28/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   98/63 = 98 × 10/63 × 10 = 980/630
4. Add the two like fractions:
   28/630 + 980/630 = 28 + 980/630 = 1008/630
5. 1008/630 simplified gives 8/5
6. So, 4/90 + 98/63 = 8/5
   In mixed form: 13/5

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