Subtract 84/5 from 28/18
1st number: 1 10/18, 2nd number: 16 4/5
28/18 - 84/5 is -686/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
28/18 = 28 × 5/18 × 5 = 140/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
84/5 = 84 × 18/5 × 18 = 1512/90 - Subtract the two like fractions:
140/90 - 1512/90 = 140 - 1512/90 = -1372/90 - After reducing the fraction, the answer is -686/45
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