Answers

Add 25/18 and 35/72

1^st number: 1 7/18, 2^nd number: 35/72

25/18 + 35/72 is 15/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 18 × 4 = 72,
   25/18 = 25 × 4/18 × 4 = 100/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   35/72 = 35 × 1/72 × 1 = 35/72
4. Add the two like fractions:
   100/72 + 35/72 = 100 + 35/72 = 135/72
5. 135/72 simplified gives 15/8
6. So, 25/18 + 35/72 = 15/8
   In mixed form: 17/8

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