Subtract 84/64 from 28/30
1st number: 28/30, 2nd number: 1 20/64
28/30 - 84/64 is -91/240.
Steps for subtracting fractions
- 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 - For the 1st fraction, since 30 × 32 = 960,
28/30 = 28 × 32/30 × 32 = 896/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
84/64 = 84 × 15/64 × 15 = 1260/960 - Subtract the two like fractions:
896/960 - 1260/960 = 896 - 1260/960 = -364/960 - After reducing the fraction, the answer is -91/240
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