Answers

Add 7/90 and 90/84

1^st number: 7/90, 2^nd number: 1 6/84

7/90 + 90/84 is 362/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   7/90 = 7 × 14/90 × 14 = 98/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   90/84 = 90 × 15/84 × 15 = 1350/1260
4. Add the two like fractions:
   98/1260 + 1350/1260 = 98 + 1350/1260 = 1448/1260
5. 1448/1260 simplified gives 362/315
6. So, 7/90 + 90/84 = 362/315
   In mixed form: 147/315

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