Add 84/98 and 28/90
84/98 + 28/90 is 368/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
84/98 = 84 × 45/98 × 45 = 3780/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
28/90 = 28 × 49/90 × 49 = 1372/4410 - Add the two like fractions:
3780/4410 + 1372/4410 = 3780 + 1372/4410 = 5152/4410 - 5152/4410 simplified gives 368/315
- So, 84/98 + 28/90 = 368/315
In mixed form: 153/315
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