Answers

Add 42/70 and 1/4

42/70 + 1/4 is 17/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 4 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   42/70 = 42 × 2/70 × 2 = 84/140
3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
   1/4 = 1 × 35/4 × 35 = 35/140
4. Add the two like fractions:
   84/140 + 35/140 = 84 + 35/140 = 119/140
5. 119/140 simplified gives 17/20
6. So, 42/70 + 1/4 = 17/20

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