Subtract 28/60 from 3/18
3/18 - 28/60 is -3/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
3/18 = 3 × 10/18 × 10 = 30/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
28/60 = 28 × 3/60 × 3 = 84/180 - Subtract the two like fractions:
30/180 - 84/180 = 30 - 84/180 = -54/180 - After reducing the fraction, the answer is -3/10
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