Subtract 63/54 from 8/70
1st number: 8/70, 2nd number: 1 9/54
8/70 - 63/54 is -221/210.
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,
8/70 = 8 × 27/70 × 27 = 216/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
63/54 = 63 × 35/54 × 35 = 2205/1890 - Subtract the two like fractions:
216/1890 - 2205/1890 = 216 - 2205/1890 = -1989/1890 - After reducing the fraction, the answer is -221/210
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