Subtract 20/45 from 30/27
1st number: 1 3/27, 2nd number: 20/45
30/27 - 20/45 is 2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
30/27 = 30 × 5/27 × 5 = 150/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
20/45 = 20 × 3/45 × 3 = 60/135 - Subtract the two like fractions:
150/135 - 60/135 = 150 - 60/135 = 90/135 - After reducing the fraction, the answer is 2/3
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