Subtract 15/80 from 4/18
4/18 - 15/80 is 5/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
4/18 = 4 × 40/18 × 40 = 160/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Subtract the two like fractions:
160/720 - 135/720 = 160 - 135/720 = 25/720 - After reducing the fraction, the answer is 5/144
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