Add 18/45 and 21/98
18/45 + 21/98 is 43/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 45 × 98 = 4410,
18/45 = 18 × 98/45 × 98 = 1764/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
21/98 = 21 × 45/98 × 45 = 945/4410 - Add the two like fractions:
1764/4410 + 945/4410 = 1764 + 945/4410 = 2709/4410 - 2709/4410 simplified gives 43/70
- So, 18/45 + 21/98 = 43/70
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