Answers

Add 70/25 and 90/18

1^st number: 2 20/25, 2^nd number: 5 0/18

70/25 + 90/18 is 39/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 18 is 450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 450
2. For the 1st fraction, since 25 × 18 = 450,
   70/25 = 70 × 18/25 × 18 = 1260/450
3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
   90/18 = 90 × 25/18 × 25 = 2250/450
4. Add the two like fractions:
   1260/450 + 2250/450 = 1260 + 2250/450 = 3510/450
5. 3510/450 simplified gives 39/5
6. So, 70/25 + 90/18 = 39/5
   In mixed form: 74/5

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