Answers

Add 70/49 and 40/45

1^st number: 1 21/49, 2^nd number: 40/45

70/49 + 40/45 is 146/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 45 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 49 × 45 = 2205,
   70/49 = 70 × 45/49 × 45 = 3150/2205
3. Likewise, for the 2nd fraction, since 45 × 49 = 2205,
   40/45 = 40 × 49/45 × 49 = 1960/2205
4. Add the two like fractions:
   3150/2205 + 1960/2205 = 3150 + 1960/2205 = 5110/2205
5. 5110/2205 simplified gives 146/63
6. So, 70/49 + 40/45 = 146/63
   In mixed form: 220/63

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