Subtract 45/14 from 20/18
1st number: 1 2/18, 2nd number: 3 3/14
20/18 - 45/14 is -265/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
45/14 = 45 × 9/14 × 9 = 405/126 - Subtract the two like fractions:
140/126 - 405/126 = 140 - 405/126 = -265/126
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