Subtract 45/49 from 90/12
1st number: 7 6/12, 2nd number: 45/49
90/12 - 45/49 is 645/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
90/12 = 90 × 49/12 × 49 = 4410/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
45/49 = 45 × 12/49 × 12 = 540/588 - Subtract the two like fractions:
4410/588 - 540/588 = 4410 - 540/588 = 3870/588 - After reducing the fraction, the answer is 645/98
- In mixed form: 657/98
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