Subtract 42/64 from 84/54
1st number: 1 30/54, 2nd number: 42/64
84/54 - 42/64 is 259/288.
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,
84/54 = 84 × 32/54 × 32 = 2688/1728 - Likewise, for the 2nd fraction, since 64 × 27 = 1728,
42/64 = 42 × 27/64 × 27 = 1134/1728 - Subtract the two like fractions:
2688/1728 - 1134/1728 = 2688 - 1134/1728 = 1554/1728 - After reducing the fraction, the answer is 259/288
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Related: 84/54-84/64