Answers

Add 80/20 and 42/64

1^st number: 4 0/20, 2^nd number: 42/64

80/20 + 42/64 is 149/32.

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,
   80/20 = 80 × 16/20 × 16 = 1280/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   42/64 = 42 × 5/64 × 5 = 210/320
4. Add the two like fractions:
   1280/320 + 210/320 = 1280 + 210/320 = 1490/320
5. 1490/320 simplified gives 149/32
6. So, 80/20 + 42/64 = 149/32
   In mixed form: 421/32

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