Answers

Add 4/40 and 15/64

4/40 + 15/64 is 107/320.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 40 × 8 = 320,
   4/40 = 4 × 8/40 × 8 = 32/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   15/64 = 15 × 5/64 × 5 = 75/320
4. Add the two like fractions:
   32/320 + 75/320 = 32 + 75/320 = 107/320
5. So, 4/40 + 15/64 = 107/320

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