Answers

Add 90/45 and 70/14

1^st number: 2 0/45, 2^nd number: 5 0/14

90/45 + 70/14 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 14 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   90/45 = 90 × 14/45 × 14 = 1260/630
3. Likewise, for the 2nd fraction, since 14 × 45 = 630,
   70/14 = 70 × 45/14 × 45 = 3150/630
4. Add the two like fractions:
   1260/630 + 3150/630 = 1260 + 3150/630 = 4410/630
5. 4410/630 simplified gives 7/1
6. So, 90/45 + 70/14 = 7/1

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