Add 90/98 and 20/12
1st number: 90/98, 2nd number: 1 8/12
90/98 + 20/12 is 380/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
90/98 = 90 × 6/98 × 6 = 540/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
20/12 = 20 × 49/12 × 49 = 980/588 - Add the two like fractions:
540/588 + 980/588 = 540 + 980/588 = 1520/588 - 1520/588 simplified gives 380/147
- So, 90/98 + 20/12 = 380/147
In mixed form: 286/147
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