Subtract 56/42 from 1/80
1st number: 1/80, 2nd number: 1 14/42
1/80 - 56/42 is -317/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 42 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
1/80 = 1 × 21/80 × 21 = 21/1680 - Likewise, for the 2nd fraction, since 42 × 40 = 1680,
56/42 = 56 × 40/42 × 40 = 2240/1680 - Subtract the two like fractions:
21/1680 - 2240/1680 = 21 - 2240/1680 = -2219/1680 - After reducing the fraction, the answer is -317/240
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