Subtract 30/36 from 36/70
36/70 - 30/36 is -67/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
36/70 = 36 × 18/70 × 18 = 648/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
30/36 = 30 × 35/36 × 35 = 1050/1260 - Subtract the two like fractions:
648/1260 - 1050/1260 = 648 - 1050/1260 = -402/1260 - After reducing the fraction, the answer is -67/210
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