Add 9/20 and 42/98
9/20 + 42/98 is 123/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
9/20 = 9 × 49/20 × 49 = 441/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
42/98 = 42 × 10/98 × 10 = 420/980 - Add the two like fractions:
441/980 + 420/980 = 441 + 420/980 = 861/980 - 861/980 simplified gives 123/140
- So, 9/20 + 42/98 = 123/140
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