Subtract 15/49 from 3/90
3/90 - 15/49 is -401/1470.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
3/90 = 3 × 49/90 × 49 = 147/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
15/49 = 15 × 90/49 × 90 = 1350/4410 - Subtract the two like fractions:
147/4410 - 1350/4410 = 147 - 1350/4410 = -1203/4410 - After reducing the fraction, the answer is -401/1470
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