Subtract 6/80 from 15/45
15/45 - 6/80 is 31/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
15/45 = 15 × 16/45 × 16 = 240/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
6/80 = 6 × 9/80 × 9 = 54/720 - Subtract the two like fractions:
240/720 - 54/720 = 240 - 54/720 = 186/720 - After reducing the fraction, the answer is 31/120
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