Answers

Add 70/90 and 42/35

1^st number: 70/90, 2^nd number: 1 7/35

70/90 + 42/35 is 89/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 35 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   70/90 = 70 × 7/90 × 7 = 490/630
3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
   42/35 = 42 × 18/35 × 18 = 756/630
4. Add the two like fractions:
   490/630 + 756/630 = 490 + 756/630 = 1246/630
5. 1246/630 simplified gives 89/45
6. So, 70/90 + 42/35 = 89/45
   In mixed form: 144/45

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