Subtract 28/14 from 15/45
1st number: 15/45, 2nd number: 2 0/14
15/45 - 28/14 is -5/3.
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,
15/45 = 15 × 14/45 × 14 = 210/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
28/14 = 28 × 45/14 × 45 = 1260/630 - Subtract the two like fractions:
210/630 - 1260/630 = 210 - 1260/630 = -1050/630 - After reducing the fraction, the answer is -5/3
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