Answers

Add 20/45 and 72/35

1^st number: 20/45, 2^nd number: 2 2/35

20/45 + 72/35 is 788/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 35 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   20/45 = 20 × 7/45 × 7 = 140/315
3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
   72/35 = 72 × 9/35 × 9 = 648/315
4. Add the two like fractions:
   140/315 + 648/315 = 140 + 648/315 = 788/315
5. So, 20/45 + 72/35 = 788/315
   In mixed form: 2158/315

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