Subtract 30/70 from 3/36
3/36 - 30/70 is -29/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
3/36 = 3 × 35/36 × 35 = 105/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
30/70 = 30 × 18/70 × 18 = 540/1260 - Subtract the two like fractions:
105/1260 - 540/1260 = 105 - 540/1260 = -435/1260 - After reducing the fraction, the answer is -29/84
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