Answers

Add 20/4 and 42/70

1^st number: 5 0/4, 2^nd number: 42/70

20/4 + 42/70 is 28/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 4 × 35 = 140,
   20/4 = 20 × 35/4 × 35 = 700/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   42/70 = 42 × 2/70 × 2 = 84/140
4. Add the two like fractions:
   700/140 + 84/140 = 700 + 84/140 = 784/140
5. 784/140 simplified gives 28/5
6. So, 20/4 + 42/70 = 28/5
   In mixed form: 53/5

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