Subtract 63/54 from 12/70
1st number: 12/70, 2nd number: 1 9/54
12/70 - 63/54 is -209/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
12/70 = 12 × 27/70 × 27 = 324/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
63/54 = 63 × 35/54 × 35 = 2205/1890 - Subtract the two like fractions:
324/1890 - 2205/1890 = 324 - 2205/1890 = -1881/1890 - After reducing the fraction, the answer is -209/210
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