Subtract 15/35 from 9/70
9/70 - 15/35 is -3/10.
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,
9/70 = 9 × 1/70 × 1 = 9/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
15/35 = 15 × 2/35 × 2 = 30/70 - Subtract the two like fractions:
9/70 - 30/70 = 9 - 30/70 = -21/70 - After reducing the fraction, the answer is -3/10
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