Add 84/98 and 7/20
84/98 + 7/20 is 169/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 20 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 98 × 10 = 980,
84/98 = 84 × 10/98 × 10 = 840/980 - Likewise, for the 2nd fraction, since 20 × 49 = 980,
7/20 = 7 × 49/20 × 49 = 343/980 - Add the two like fractions:
840/980 + 343/980 = 840 + 343/980 = 1183/980 - 1183/980 simplified gives 169/140
- So, 84/98 + 7/20 = 169/140
In mixed form: 129/140
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