Answers

Add 90/84 and 1/30

1^st number: 1 6/84, 2^nd number: 1/30

90/84 + 1/30 is 116/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   90/84 = 90 × 5/84 × 5 = 450/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   1/30 = 1 × 14/30 × 14 = 14/420
4. Add the two like fractions:
   450/420 + 14/420 = 450 + 14/420 = 464/420
5. 464/420 simplified gives 116/105
6. So, 90/84 + 1/30 = 116/105
   In mixed form: 111/105

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