Answers

Add 56/45 and 90/70

1^st number: 1 11/45, 2^nd number: 1 20/70

56/45 + 90/70 is 797/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   56/45 = 56 × 14/45 × 14 = 784/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   90/70 = 90 × 9/70 × 9 = 810/630
4. Add the two like fractions:
   784/630 + 810/630 = 784 + 810/630 = 1594/630
5. 1594/630 simplified gives 797/315
6. So, 56/45 + 90/70 = 797/315
   In mixed form: 2167/315

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