Answers

Add 42/20 and 30/64

1^st number: 2 2/20, 2^nd number: 30/64

42/20 + 30/64 is 411/160.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 20 × 16 = 320,
   42/20 = 42 × 16/20 × 16 = 672/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   30/64 = 30 × 5/64 × 5 = 150/320
4. Add the two like fractions:
   672/320 + 150/320 = 672 + 150/320 = 822/320
5. 822/320 simplified gives 411/160
6. So, 42/20 + 30/64 = 411/160
   In mixed form: 291/160

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