Answers

Add 48/15 and 42/84

1^st number: 3 3/15, 2^nd number: 42/84

48/15 + 42/84 is 37/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 15 × 28 = 420,
   48/15 = 48 × 28/15 × 28 = 1344/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   42/84 = 42 × 5/84 × 5 = 210/420
4. Add the two like fractions:
   1344/420 + 210/420 = 1344 + 210/420 = 1554/420
5. 1554/420 simplified gives 37/10
6. So, 48/15 + 42/84 = 37/10
   In mixed form: 37/10

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