Subtract 28/35 from 7/9
7/9 - 28/35 is -1/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 9 × 35 = 315,
7/9 = 7 × 35/9 × 35 = 245/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
28/35 = 28 × 9/35 × 9 = 252/315 - Subtract the two like fractions:
245/315 - 252/315 = 245 - 252/315 = -7/315 - After reducing the fraction, the answer is -1/45
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