Answers

Add 84/40 and 84/90

1^st number: 2 4/40, 2^nd number: 84/90

84/40 + 84/90 is 91/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   84/40 = 84 × 9/40 × 9 = 756/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   84/90 = 84 × 4/90 × 4 = 336/360
4. Add the two like fractions:
   756/360 + 336/360 = 756 + 336/360 = 1092/360
5. 1092/360 simplified gives 91/30
6. So, 84/40 + 84/90 = 91/30
   In mixed form: 31/30

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