Answers

Add 72/35 and 40/18

1^st number: 2 2/35, 2^nd number: 2 4/18

72/35 + 40/18 is 1348/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 18 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 35 × 18 = 630,
   72/35 = 72 × 18/35 × 18 = 1296/630
3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
   40/18 = 40 × 35/18 × 35 = 1400/630
4. Add the two like fractions:
   1296/630 + 1400/630 = 1296 + 1400/630 = 2696/630
5. 2696/630 simplified gives 1348/315
6. So, 72/35 + 40/18 = 1348/315
   In mixed form: 488/315

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