Answers

Add 42/8 and 54/70

1^st number: 5 2/8, 2^nd number: 54/70

42/8 + 54/70 is 843/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 8 × 35 = 280,
   42/8 = 42 × 35/8 × 35 = 1470/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   54/70 = 54 × 4/70 × 4 = 216/280
4. Add the two like fractions:
   1470/280 + 216/280 = 1470 + 216/280 = 1686/280
5. 1686/280 simplified gives 843/140
6. So, 42/8 + 54/70 = 843/140
   In mixed form: 63/140

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