Answers

Add 90/45 and 70/35

1^st number: 2 0/45, 2^nd number: 2 0/35

90/45 + 70/35 is 4/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 35 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   90/45 = 90 × 7/45 × 7 = 630/315
3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
   70/35 = 70 × 9/35 × 9 = 630/315
4. Add the two like fractions:
   630/315 + 630/315 = 630 + 630/315 = 1260/315
5. 1260/315 simplified gives 4/1
6. So, 90/45 + 70/35 = 4/1

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