Answers

Subtract 49/64 from 30/15

1^st number: 2 0/15, 2^nd number: 49/64

30/15 - 49/64 is 79/64.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 15 × 64 = 960,
   30/15 = 30 × 64/15 × 64 = 1920/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   49/64 = 49 × 15/64 × 15 = 735/960
4. Subtract the two like fractions:
   1920/960 - 735/960 = 1920 - 735/960 = 1185/960
5. After reducing the fraction, the answer is 79/64
6. In mixed form: 115/64

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