Answers

Add 84/18 and 50/40

1^st number: 4 12/18, 2^nd number: 1 10/40

84/18 + 50/40 is 71/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 18 × 20 = 360,
   84/18 = 84 × 20/18 × 20 = 1680/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   50/40 = 50 × 9/40 × 9 = 450/360
4. Add the two like fractions:
   1680/360 + 450/360 = 1680 + 450/360 = 2130/360
5. 2130/360 simplified gives 71/12
6. So, 84/18 + 50/40 = 71/12
   In mixed form: 511/12

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