Subtract 18/45 from 30/60
30/60 - 18/45 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
30/60 = 30 × 3/60 × 3 = 90/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
18/45 = 18 × 4/45 × 4 = 72/180 - Subtract the two like fractions:
90/180 - 72/180 = 90 - 72/180 = 18/180 - After reducing the fraction, the answer is 1/10
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