Subtract 30/12 from 28/64
1st number: 28/64, 2nd number: 2 6/12
28/64 - 30/12 is -33/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 12 is 192
Next, find the equivalent fraction of both fractional numbers with denominator 192 - For the 1st fraction, since 64 × 3 = 192,
28/64 = 28 × 3/64 × 3 = 84/192 - Likewise, for the 2nd fraction, since 12 × 16 = 192,
30/12 = 30 × 16/12 × 16 = 480/192 - Subtract the two like fractions:
84/192 - 480/192 = 84 - 480/192 = -396/192 - After reducing the fraction, the answer is -33/16
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