Subtract 4/5 from 3/80
3/80 - 4/5 is -61/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
3/80 = 3 × 1/80 × 1 = 3/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
4/5 = 4 × 16/5 × 16 = 64/80 - Subtract the two like fractions:
3/80 - 64/80 = 3 - 64/80 = -61/80
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