Answers

Add 90/25 and 45/70

1^st number: 3 15/25, 2^nd number: 45/70

90/25 + 45/70 is 297/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 70 is 350
   
   Next, find the equivalent fraction of both fractional numbers with denominator 350
2. For the 1st fraction, since 25 × 14 = 350,
   90/25 = 90 × 14/25 × 14 = 1260/350
3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
   45/70 = 45 × 5/70 × 5 = 225/350
4. Add the two like fractions:
   1260/350 + 225/350 = 1260 + 225/350 = 1485/350
5. 1485/350 simplified gives 297/70
6. So, 90/25 + 45/70 = 297/70
   In mixed form: 417/70

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