Answers

Add 20/45 and 72/49

1^st number: 20/45, 2^nd number: 1 23/49

20/45 + 72/49 is 844/441.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 49 is 2205
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2205
2. For the 1st fraction, since 45 × 49 = 2205,
   20/45 = 20 × 49/45 × 49 = 980/2205
3. Likewise, for the 2nd fraction, since 49 × 45 = 2205,
   72/49 = 72 × 45/49 × 45 = 3240/2205
4. Add the two like fractions:
   980/2205 + 3240/2205 = 980 + 3240/2205 = 4220/2205
5. 4220/2205 simplified gives 844/441
6. So, 20/45 + 72/49 = 844/441
   In mixed form: 1403/441

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