Subtract 90/49 from 42/12
1st number: 3 6/12, 2nd number: 1 41/49
42/12 - 90/49 is 163/98.
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,
42/12 = 42 × 49/12 × 49 = 2058/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
90/49 = 90 × 12/49 × 12 = 1080/588 - Subtract the two like fractions:
2058/588 - 1080/588 = 2058 - 1080/588 = 978/588 - After reducing the fraction, the answer is 163/98
- In mixed form: 165/98
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