Add 84/98 and 4/42
84/98 + 4/42 is 20/21.
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,
4/42 = 4 × 7/42 × 7 = 28/294 - Add the two like fractions:
252/294 + 28/294 = 252 + 28/294 = 280/294 - 280/294 simplified gives 20/21
- So, 84/98 + 4/42 = 20/21
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