Answers

Add 90/50 and 20/84

1^st number: 1 40/50, 2^nd number: 20/84

90/50 + 20/84 is 214/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 50 × 42 = 2100,
   90/50 = 90 × 42/50 × 42 = 3780/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   20/84 = 20 × 25/84 × 25 = 500/2100
4. Add the two like fractions:
   3780/2100 + 500/2100 = 3780 + 500/2100 = 4280/2100
5. 4280/2100 simplified gives 214/105
6. So, 90/50 + 20/84 = 214/105
   In mixed form: 24/105

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