Answers

Add 36/64 and 42/40

1^st number: 36/64, 2^nd number: 1 2/40

36/64 + 42/40 is 129/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 64 and 40 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 64 × 5 = 320,
   36/64 = 36 × 5/64 × 5 = 180/320
3. Likewise, for the 2nd fraction, since 40 × 8 = 320,
   42/40 = 42 × 8/40 × 8 = 336/320
4. Add the two like fractions:
   180/320 + 336/320 = 180 + 336/320 = 516/320
5. 516/320 simplified gives 129/80
6. So, 36/64 + 42/40 = 129/80
   In mixed form: 149/80

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