Answers

Add 45/30 and 25/72

1^st number: 1 15/30, 2^nd number: 25/72

45/30 + 25/72 is 133/72.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 30 × 12 = 360,
   45/30 = 45 × 12/30 × 12 = 540/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   25/72 = 25 × 5/72 × 5 = 125/360
4. Add the two like fractions:
   540/360 + 125/360 = 540 + 125/360 = 665/360
5. 665/360 simplified gives 133/72
6. So, 45/30 + 25/72 = 133/72
   In mixed form: 161/72

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