Answers

Add 45/72 and 48/30

1^st number: 45/72, 2^nd number: 1 18/30

45/72 + 48/30 is 89/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 30 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   45/72 = 45 × 5/72 × 5 = 225/360
3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
   48/30 = 48 × 12/30 × 12 = 576/360
4. Add the two like fractions:
   225/360 + 576/360 = 225 + 576/360 = 801/360
5. 801/360 simplified gives 89/40
6. So, 45/72 + 48/30 = 89/40
   In mixed form: 29/40

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