Subtract 56/21 from 2/80
1st number: 2/80, 2nd number: 2 14/21
2/80 - 56/21 is -317/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 21 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
2/80 = 2 × 21/80 × 21 = 42/1680 - Likewise, for the 2nd fraction, since 21 × 80 = 1680,
56/21 = 56 × 80/21 × 80 = 4480/1680 - Subtract the two like fractions:
42/1680 - 4480/1680 = 42 - 4480/1680 = -4438/1680 - After reducing the fraction, the answer is -317/120
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