Answers

Add 70/45 and 90/28

1^st number: 1 25/45, 2^nd number: 3 6/28

70/45 + 90/28 is 601/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   70/45 = 70 × 28/45 × 28 = 1960/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   90/28 = 90 × 45/28 × 45 = 4050/1260
4. Add the two like fractions:
   1960/1260 + 4050/1260 = 1960 + 4050/1260 = 6010/1260
5. 6010/1260 simplified gives 601/126
6. So, 70/45 + 90/28 = 601/126
   In mixed form: 497/126

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