Subtract 16/35 from 30/70
30/70 - 16/35 is -1/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
30/70 = 30 × 1/70 × 1 = 30/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
16/35 = 16 × 2/35 × 2 = 32/70 - Subtract the two like fractions:
30/70 - 32/70 = 30 - 32/70 = -2/70 - After reducing the fraction, the answer is -1/35
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