Subtract 6/40 from 18/36
18/36 - 6/40 is 7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
18/36 = 18 × 10/36 × 10 = 180/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
6/40 = 6 × 9/40 × 9 = 54/360 - Subtract the two like fractions:
180/360 - 54/360 = 180 - 54/360 = 126/360 - After reducing the fraction, the answer is 7/20
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