Answers

Add 40/10 and 72/64

1^st number: 4 0/10, 2^nd number: 1 8/64

40/10 + 72/64 is 41/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 10 × 32 = 320,
   40/10 = 40 × 32/10 × 32 = 1280/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   72/64 = 72 × 5/64 × 5 = 360/320
4. Add the two like fractions:
   1280/320 + 360/320 = 1280 + 360/320 = 1640/320
5. 1640/320 simplified gives 41/8
6. So, 40/10 + 72/64 = 41/8
   In mixed form: 51/8

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