Subtract 1/70 from 90/27
1st number: 3 9/27, 2nd number: 1/70
90/27 - 1/70 is 697/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
90/27 = 90 × 70/27 × 70 = 6300/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
1/70 = 1 × 27/70 × 27 = 27/1890 - Subtract the two like fractions:
6300/1890 - 27/1890 = 6300 - 27/1890 = 6273/1890 - After reducing the fraction, the answer is 697/210
- In mixed form: 367/210
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