Answers

Add 6/90 and 70/63

1^st number: 6/90, 2^nd number: 1 7/63

6/90 + 70/63 is 53/45.

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,
   6/90 = 6 × 7/90 × 7 = 42/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   70/63 = 70 × 10/63 × 10 = 700/630
4. Add the two like fractions:
   42/630 + 700/630 = 42 + 700/630 = 742/630
5. 742/630 simplified gives 53/45
6. So, 6/90 + 70/63 = 53/45
   In mixed form: 18/45

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