Subtract 70/27 from 30/18
1st number: 1 12/18, 2nd number: 2 16/27
30/18 - 70/27 is -25/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
30/18 = 30 × 3/18 × 3 = 90/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
70/27 = 70 × 2/27 × 2 = 140/54 - Subtract the two like fractions:
90/54 - 140/54 = 90 - 140/54 = -50/54 - After reducing the fraction, the answer is -25/27
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