Add 84/98 and 20/42
84/98 + 20/42 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
84/98 = 84 × 3/98 × 3 = 252/294 - Likewise, for the 2nd fraction, since 42 × 7 = 294,
20/42 = 20 × 7/42 × 7 = 140/294 - Add the two like fractions:
252/294 + 140/294 = 252 + 140/294 = 392/294 - 392/294 simplified gives 4/3
- So, 84/98 + 20/42 = 4/3
In mixed form: 11/3
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