Subtract 3/6 from 15/70
15/70 - 3/6 is -2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
3/6 = 3 × 35/6 × 35 = 105/210 - Subtract the two like fractions:
45/210 - 105/210 = 45 - 105/210 = -60/210 - After reducing the fraction, the answer is -2/7
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