Answers

Add 7/90 and 84/28

1^st number: 7/90, 2^nd number: 3 0/28

7/90 + 84/28 is 277/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 28 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 28 × 45 = 1260,
   84/28 = 84 × 45/28 × 45 = 3780/1260
4. Add the two like fractions:
   98/1260 + 3780/1260 = 98 + 3780/1260 = 3878/1260
5. 3878/1260 simplified gives 277/90
6. So, 7/90 + 84/28 = 277/90
   In mixed form: 37/90

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