Answers

Add 27/90 and 42/72

27/90 + 42/72 is 53/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 90 × 4 = 360,
   27/90 = 27 × 4/90 × 4 = 108/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   42/72 = 42 × 5/72 × 5 = 210/360
4. Add the two like fractions:
   108/360 + 210/360 = 108 + 210/360 = 318/360
5. 318/360 simplified gives 53/60
6. So, 27/90 + 42/72 = 53/60

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