Answers

Add 10/70 and 90/18

1^st number: 10/70, 2^nd number: 5 0/18

10/70 + 90/18 is 36/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 18 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   10/70 = 10 × 9/70 × 9 = 90/630
3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
   90/18 = 90 × 35/18 × 35 = 3150/630
4. Add the two like fractions:
   90/630 + 3150/630 = 90 + 3150/630 = 3240/630
5. 3240/630 simplified gives 36/7
6. So, 10/70 + 90/18 = 36/7
   In mixed form: 51/7

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