Answers

Add 54/45 and 20/70

1^st number: 1 9/45, 2^nd number: 20/70

54/45 + 20/70 is 52/35.

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,
   54/45 = 54 × 14/45 × 14 = 756/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   20/70 = 20 × 9/70 × 9 = 180/630
4. Add the two like fractions:
   756/630 + 180/630 = 756 + 180/630 = 936/630
5. 936/630 simplified gives 52/35
6. So, 54/45 + 20/70 = 52/35
   In mixed form: 117/35

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