Answers

Add 7/50 and 90/84

1^st number: 7/50, 2^nd number: 1 6/84

7/50 + 90/84 is 212/175.

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,
   7/50 = 7 × 42/50 × 42 = 294/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   90/84 = 90 × 25/84 × 25 = 2250/2100
4. Add the two like fractions:
   294/2100 + 2250/2100 = 294 + 2250/2100 = 2544/2100
5. 2544/2100 simplified gives 212/175
6. So, 7/50 + 90/84 = 212/175
   In mixed form: 137/175

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