Answers

Add 72/84 and 24/90

72/84 + 24/90 is 118/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   72/84 = 72 × 15/84 × 15 = 1080/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   24/90 = 24 × 14/90 × 14 = 336/1260
4. Add the two like fractions:
   1080/1260 + 336/1260 = 1080 + 336/1260 = 1416/1260
5. 1416/1260 simplified gives 118/105
6. So, 72/84 + 24/90 = 118/105
   In mixed form: 113/105

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