Subtract 6/7 from 28/70
28/70 - 6/7 is -16/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
28/70 = 28 × 1/70 × 1 = 28/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
6/7 = 6 × 10/7 × 10 = 60/70 - Subtract the two like fractions:
28/70 - 60/70 = 28 - 60/70 = -32/70 - After reducing the fraction, the answer is -16/35
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