Subtract 63/70 from 1/49
1/49 - 63/70 is -431/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
1/49 = 1 × 10/49 × 10 = 10/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
63/70 = 63 × 7/70 × 7 = 441/490 - Subtract the two like fractions:
10/490 - 441/490 = 10 - 441/490 = -431/490
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