Add 18/98 and 9/90
18/98 + 9/90 is 139/490.
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,
18/98 = 18 × 45/98 × 45 = 810/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
9/90 = 9 × 49/90 × 49 = 441/4410 - Add the two like fractions:
810/4410 + 441/4410 = 810 + 441/4410 = 1251/4410 - 1251/4410 simplified gives 139/490
- So, 18/98 + 9/90 = 139/490
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