Subtract 49/64 from 7/54
7/54 - 49/64 is -1099/1728.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 64 is 1728
Next, find the equivalent fraction of both fractional numbers with denominator 1728 - For the 1st fraction, since 54 × 32 = 1728,
7/54 = 7 × 32/54 × 32 = 224/1728 - Likewise, for the 2nd fraction, since 64 × 27 = 1728,
49/64 = 49 × 27/64 × 27 = 1323/1728 - Subtract the two like fractions:
224/1728 - 1323/1728 = 224 - 1323/1728 = -1099/1728
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