Subtract 40/54 from 30/35
30/35 - 40/54 is 22/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 35 × 54 = 1890,
30/35 = 30 × 54/35 × 54 = 1620/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
40/54 = 40 × 35/54 × 35 = 1400/1890 - Subtract the two like fractions:
1620/1890 - 1400/1890 = 1620 - 1400/1890 = 220/1890 - After reducing the fraction, the answer is 22/189
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