Subtract 30/40 from 1/80
1/80 - 30/40 is -59/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
30/40 = 30 × 2/40 × 2 = 60/80 - Subtract the two like fractions:
1/80 - 60/80 = 1 - 60/80 = -59/80
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