Answers

Add 18/70 and 98/63

1^st number: 18/70, 2^nd number: 1 35/63

18/70 + 98/63 is 571/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   18/70 = 18 × 9/70 × 9 = 162/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   98/63 = 98 × 10/63 × 10 = 980/630
4. Add the two like fractions:
   162/630 + 980/630 = 162 + 980/630 = 1142/630
5. 1142/630 simplified gives 571/315
6. So, 18/70 + 98/63 = 571/315
   In mixed form: 1256/315

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