Subtract 75/27 from 56/70
1st number: 56/70, 2nd number: 2 21/27
56/70 - 75/27 is -89/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
56/70 = 56 × 27/70 × 27 = 1512/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
75/27 = 75 × 70/27 × 70 = 5250/1890 - Subtract the two like fractions:
1512/1890 - 5250/1890 = 1512 - 5250/1890 = -3738/1890 - After reducing the fraction, the answer is -89/45
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