Subtract 28/4 from 20/18
1st number: 1 2/18, 2nd number: 7 0/4
20/18 - 28/4 is -53/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
20/18 = 20 × 2/18 × 2 = 40/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
28/4 = 28 × 9/4 × 9 = 252/36 - Subtract the two like fractions:
40/36 - 252/36 = 40 - 252/36 = -212/36 - After reducing the fraction, the answer is -53/9
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