Subtract 54/14 from 20/45
1st number: 20/45, 2nd number: 3 12/14
20/45 - 54/14 is -215/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
20/45 = 20 × 14/45 × 14 = 280/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
54/14 = 54 × 45/14 × 45 = 2430/630 - Subtract the two like fractions:
280/630 - 2430/630 = 280 - 2430/630 = -2150/630 - After reducing the fraction, the answer is -215/63
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