Add 1/20 and 42/98
1/20 + 42/98 is 67/140.
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,
1/20 = 1 × 49/20 × 49 = 49/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
42/98 = 42 × 10/98 × 10 = 420/980 - Add the two like fractions:
49/980 + 420/980 = 49 + 420/980 = 469/980 - 469/980 simplified gives 67/140
- So, 1/20 + 42/98 = 67/140
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