Add 12/90 and 21/98
12/90 + 21/98 is 73/210.
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,
12/90 = 12 × 49/90 × 49 = 588/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
21/98 = 21 × 45/98 × 45 = 945/4410 - Add the two like fractions:
588/4410 + 945/4410 = 588 + 945/4410 = 1533/4410 - 1533/4410 simplified gives 73/210
- So, 12/90 + 21/98 = 73/210
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