Answers

Add 42/10 and 54/56

1^st number: 4 2/10, 2^nd number: 54/56

42/10 + 54/56 is 723/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 10 × 28 = 280,
   42/10 = 42 × 28/10 × 28 = 1176/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   54/56 = 54 × 5/56 × 5 = 270/280
4. Add the two like fractions:
   1176/280 + 270/280 = 1176 + 270/280 = 1446/280
5. 1446/280 simplified gives 723/140
6. So, 42/10 + 54/56 = 723/140
   In mixed form: 523/140

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