Subtract 20/14 from 63/45
1st number: 1 18/45, 2nd number: 1 6/14
63/45 - 20/14 is -1/35.
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,
63/45 = 63 × 14/45 × 14 = 882/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
20/14 = 20 × 45/14 × 45 = 900/630 - Subtract the two like fractions:
882/630 - 900/630 = 882 - 900/630 = -18/630 - After reducing the fraction, the answer is -1/35
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