Subtract 28/16 from 75/45
1st number: 1 30/45, 2nd number: 1 12/16
75/45 - 28/16 is -1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
75/45 = 75 × 16/45 × 16 = 1200/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
28/16 = 28 × 45/16 × 45 = 1260/720 - Subtract the two like fractions:
1200/720 - 1260/720 = 1200 - 1260/720 = -60/720 - After reducing the fraction, the answer is -1/12
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