Answers

Add 4/72 and 8/45

4/72 + 8/45 is 7/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   4/72 = 4 × 5/72 × 5 = 20/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   8/45 = 8 × 8/45 × 8 = 64/360
4. Add the two like fractions:
   20/360 + 64/360 = 20 + 64/360 = 84/360
5. 84/360 simplified gives 7/30
6. So, 4/72 + 8/45 = 7/30

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