Subtract 84/64 from 30/28
1st number: 1 2/28, 2nd number: 1 20/64
30/28 - 84/64 is -27/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 28 × 16 = 448,
30/28 = 30 × 16/28 × 16 = 480/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
84/64 = 84 × 7/64 × 7 = 588/448 - Subtract the two like fractions:
480/448 - 588/448 = 480 - 588/448 = -108/448 - After reducing the fraction, the answer is -27/112
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