Subtract 7/49 from 3/9
3/9 - 7/49 is 4/21.
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,
7/49 = 7 × 9/49 × 9 = 63/441 - Subtract the two like fractions:
147/441 - 63/441 = 147 - 63/441 = 84/441 - After reducing the fraction, the answer is 4/21
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