Answers

Add 84/15 and 42/56

1^st number: 5 9/15, 2^nd number: 42/56

84/15 + 42/56 is 127/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 56 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 15 × 56 = 840,
   84/15 = 84 × 56/15 × 56 = 4704/840
3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
   42/56 = 42 × 15/56 × 15 = 630/840
4. Add the two like fractions:
   4704/840 + 630/840 = 4704 + 630/840 = 5334/840
5. 5334/840 simplified gives 127/20
6. So, 84/15 + 42/56 = 127/20
   In mixed form: 67/20

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