Subtract 7/84 from 4/75
4/75 - 7/84 is -3/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
4/75 = 4 × 28/75 × 28 = 112/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
7/84 = 7 × 25/84 × 25 = 175/2100 - Subtract the two like fractions:
112/2100 - 175/2100 = 112 - 175/2100 = -63/2100 - After reducing the fraction, the answer is -3/100
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