Answers

Add 70/35 and 3/90

1^st number: 2 0/35, 2^nd number: 3/90

70/35 + 3/90 is 61/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 35 × 18 = 630,
   70/35 = 70 × 18/35 × 18 = 1260/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   3/90 = 3 × 7/90 × 7 = 21/630
4. Add the two like fractions:
   1260/630 + 21/630 = 1260 + 21/630 = 1281/630
5. 1281/630 simplified gives 61/30
6. So, 70/35 + 3/90 = 61/30
   In mixed form: 21/30

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