Answers

Add 50/84 and 90/15

1^st number: 50/84, 2^nd number: 6 0/15

50/84 + 90/15 is 277/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 15 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   50/84 = 50 × 5/84 × 5 = 250/420
3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
   90/15 = 90 × 28/15 × 28 = 2520/420
4. Add the two like fractions:
   250/420 + 2520/420 = 250 + 2520/420 = 2770/420
5. 2770/420 simplified gives 277/42
6. So, 50/84 + 90/15 = 277/42
   In mixed form: 625/42

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