Answers

Add 5/72 and 56/90

5/72 + 56/90 is 83/120.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   5/72 = 5 × 5/72 × 5 = 25/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   56/90 = 56 × 4/90 × 4 = 224/360
4. Add the two like fractions:
   25/360 + 224/360 = 25 + 224/360 = 249/360
5. 249/360 simplified gives 83/120
6. So, 5/72 + 56/90 = 83/120

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