Answers

Add 18/72 and 72/35

1^st number: 18/72, 2^nd number: 2 2/35

18/72 + 72/35 is 323/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 35 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 72 × 35 = 2520,
   18/72 = 18 × 35/72 × 35 = 630/2520
3. Likewise, for the 2nd fraction, since 35 × 72 = 2520,
   72/35 = 72 × 72/35 × 72 = 5184/2520
4. Add the two like fractions:
   630/2520 + 5184/2520 = 630 + 5184/2520 = 5814/2520
5. 5814/2520 simplified gives 323/140
6. So, 18/72 + 72/35 = 323/140
   In mixed form: 243/140

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