Add 28/84 and 70/98
28/84 + 70/98 is 22/21.
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,
28/84 = 28 × 7/84 × 7 = 196/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
70/98 = 70 × 6/98 × 6 = 420/588 - Add the two like fractions:
196/588 + 420/588 = 196 + 420/588 = 616/588 - 616/588 simplified gives 22/21
- So, 28/84 + 70/98 = 22/21
In mixed form: 11/21
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