Subtract 90/70 from 3/54
1st number: 3/54, 2nd number: 1 20/70
3/54 - 90/70 is -155/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
3/54 = 3 × 35/54 × 35 = 105/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
90/70 = 90 × 27/70 × 27 = 2430/1890 - Subtract the two like fractions:
105/1890 - 2430/1890 = 105 - 2430/1890 = -2325/1890 - After reducing the fraction, the answer is -155/126
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