Subtract 8/16 from 20/70
20/70 - 8/16 is -3/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
20/70 = 20 × 8/70 × 8 = 160/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
8/16 = 8 × 35/16 × 35 = 280/560 - Subtract the two like fractions:
160/560 - 280/560 = 160 - 280/560 = -120/560 - After reducing the fraction, the answer is -3/14
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