Answers

Subtract 42/64 from 70/30

1^st number: 2 10/30, 2^nd number: 42/64

70/30 - 42/64 is 161/96.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 64 is 960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 960
2. For the 1st fraction, since 30 × 32 = 960,
   70/30 = 70 × 32/30 × 32 = 2240/960
3. Likewise, for the 2nd fraction, since 64 × 15 = 960,
   42/64 = 42 × 15/64 × 15 = 630/960
4. Subtract the two like fractions:
   2240/960 - 630/960 = 2240 - 630/960 = 1610/960
5. After reducing the fraction, the answer is 161/96
6. In mixed form: 165/96

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