Subtract 7/70 from 45/27
1st number: 1 18/27, 2nd number: 7/70
45/27 - 7/70 is 47/30.
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,
45/27 = 45 × 70/27 × 70 = 3150/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
7/70 = 7 × 27/70 × 27 = 189/1890 - Subtract the two like fractions:
3150/1890 - 189/1890 = 3150 - 189/1890 = 2961/1890 - After reducing the fraction, the answer is 47/30
- In mixed form: 117/30
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