Add 21/90 and 84/98
21/90 + 84/98 is 229/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
21/90 = 21 × 49/90 × 49 = 1029/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
84/98 = 84 × 45/98 × 45 = 3780/4410 - Add the two like fractions:
1029/4410 + 3780/4410 = 1029 + 3780/4410 = 4809/4410 - 4809/4410 simplified gives 229/210
- So, 21/90 + 84/98 = 229/210
In mixed form: 119/210
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