Add 21/84 and 90/98
21/84 + 90/98 is 229/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
21/84 = 21 × 7/84 × 7 = 147/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
90/98 = 90 × 6/98 × 6 = 540/588 - Add the two like fractions:
147/588 + 540/588 = 147 + 540/588 = 687/588 - 687/588 simplified gives 229/196
- So, 21/84 + 90/98 = 229/196
In mixed form: 133/196
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