Subtract 56/54 from 70/80
1st number: 70/80, 2nd number: 1 2/54
70/80 - 56/54 is -35/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
70/80 = 70 × 27/80 × 27 = 1890/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
56/54 = 56 × 40/54 × 40 = 2240/2160 - Subtract the two like fractions:
1890/2160 - 2240/2160 = 1890 - 2240/2160 = -350/2160 - After reducing the fraction, the answer is -35/216
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