Subtract 4/6 from 7/80
7/80 - 4/6 is -139/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Likewise, for the 2nd fraction, since 6 × 40 = 240,
4/6 = 4 × 40/6 × 40 = 160/240 - Subtract the two like fractions:
21/240 - 160/240 = 21 - 160/240 = -139/240
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