Answers

Add 42/40 and 42/70

1^st number: 1 2/40, 2^nd number: 42/70

42/40 + 42/70 is 33/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   42/40 = 42 × 7/40 × 7 = 294/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   42/70 = 42 × 4/70 × 4 = 168/280
4. Add the two like fractions:
   294/280 + 168/280 = 294 + 168/280 = 462/280
5. 462/280 simplified gives 33/20
6. So, 42/40 + 42/70 = 33/20
   In mixed form: 113/20

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