Subtract 1/70 from 30/27
1st number: 1 3/27, 2nd number: 1/70
30/27 - 1/70 is 691/630.
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,
30/27 = 30 × 70/27 × 70 = 2100/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
1/70 = 1 × 27/70 × 27 = 27/1890 - Subtract the two like fractions:
2100/1890 - 27/1890 = 2100 - 27/1890 = 2073/1890 - After reducing the fraction, the answer is 691/630
- In mixed form: 161/630
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