Subtract 40/49 from 3/9
3/9 - 40/49 is -71/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 9 × 49 = 441,
3/9 = 3 × 49/9 × 49 = 147/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
40/49 = 40 × 9/49 × 9 = 360/441 - Subtract the two like fractions:
147/441 - 360/441 = 147 - 360/441 = -213/441 - After reducing the fraction, the answer is -71/147
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